* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright © 2007 Ryan Lortie
*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "config.h"
+/* For the #GDesktopAppInfoLookup macros; since macro deprecation is implemented
+ * in the preprocessor, we need to define this before including glib.h*/
+#ifndef GLIB_DISABLE_DEPRECATION_WARNINGS
+#define GLIB_DISABLE_DEPRECATION_WARNINGS
+#endif
+
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include "gfileicon.h"
#include <glib/gstdio.h>
#include "glibintl.h"
+#include "glib-private.h"
#include "giomodule-priv.h"
#include "gappinfo.h"
#include "gappinfoprivate.h"
-#include "glocaldirectorymonitor.h"
+#include "glocalfilemonitor.h"
+#ifdef G_OS_UNIX
+#include "gdocumentportal.h"
+#endif
/**
* SECTION:gdesktopappinfo
};
static void g_desktop_app_info_iface_init (GAppInfoIface *iface);
-static GList * get_all_desktop_entries_for_mime_type (const char *base_mime_type,
- const char **except,
- gboolean include_fallback,
- char **explicit_default);
-static void mime_info_cache_reload (const char *dir);
static gboolean g_desktop_app_info_ensure_saved (GDesktopAppInfo *info,
GError **error);
+static gboolean g_desktop_app_info_load_file (GDesktopAppInfo *self);
/**
* GDesktopAppInfo:
G_DEFINE_TYPE_WITH_CODE (GDesktopAppInfo, g_desktop_app_info, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_APP_INFO, g_desktop_app_info_iface_init))
-G_LOCK_DEFINE_STATIC (g_desktop_env);
-static gchar *g_desktop_env = NULL;
-
/* DesktopFileDir implementation {{{1 */
typedef struct
{
+ gatomicrefcount ref_count;
gchar *path;
- GLocalDirectoryMonitor *monitor;
- GHashTable *app_names;
+ gchar *alternatively_watching;
+ gboolean is_config;
gboolean is_setup;
+ GFileMonitor *monitor;
+ GHashTable *app_names;
+ GHashTable *mime_tweaks;
GHashTable *memory_index;
+ GHashTable *memory_implementations;
} DesktopFileDir;
-static DesktopFileDir *desktop_file_dirs;
-static guint n_desktop_file_dirs;
+static GPtrArray *desktop_file_dirs = NULL;
+static const gchar *desktop_file_dirs_config_dir = NULL;
+static DesktopFileDir *desktop_file_dir_user_config = NULL; /* (owned) */
+static DesktopFileDir *desktop_file_dir_user_data = NULL; /* (owned) */
static GMutex desktop_file_dir_lock;
+static const gchar *gio_launch_desktop_path = NULL;
/* Monitor 'changed' signal handler {{{2 */
static void desktop_file_dir_reset (DesktopFileDir *dir);
+static DesktopFileDir *
+desktop_file_dir_ref (DesktopFileDir *dir)
+{
+ g_atomic_ref_count_inc (&dir->ref_count);
+
+ return dir;
+}
+
+static void
+desktop_file_dir_unref (DesktopFileDir *dir)
+{
+ if (g_atomic_ref_count_dec (&dir->ref_count))
+ {
+ desktop_file_dir_reset (dir);
+ g_free (dir->path);
+ g_free (dir);
+ }
+}
+
+/*< internal >
+ * desktop_file_dir_get_alternative_dir:
+ * @dir: a #DesktopFileDir
+ *
+ * Gets the "alternative" directory to monitor in case the path
+ * doesn't exist.
+ *
+ * If the path exists this will return NULL, otherwise it will return a
+ * parent directory of the path.
+ *
+ * This is used to avoid inotify on a non-existent directory (which
+ * results in polling).
+ *
+ * See https://bugzilla.gnome.org/show_bug.cgi?id=522314 for more info.
+ */
+static gchar *
+desktop_file_dir_get_alternative_dir (DesktopFileDir *dir)
+{
+ gchar *parent;
+
+ /* If the directory itself exists then we need no alternative. */
+ if (g_access (dir->path, R_OK | X_OK) == 0)
+ return NULL;
+
+ /* Otherwise, try the parent directories until we find one. */
+ parent = g_path_get_dirname (dir->path);
+
+ while (g_access (parent, R_OK | X_OK) != 0)
+ {
+ gchar *tmp = parent;
+
+ parent = g_path_get_dirname (tmp);
+
+ /* If somehow we get to '/' or '.' then just stop... */
+ if (g_str_equal (parent, tmp))
+ {
+ g_free (tmp);
+ break;
+ }
+
+ g_free (tmp);
+ }
+
+ return parent;
+}
+
static void
desktop_file_dir_changed (GFileMonitor *monitor,
GFile *file,
gpointer user_data)
{
DesktopFileDir *dir = user_data;
+ gboolean do_nothing = FALSE;
/* We are not interested in receiving notifications forever just
* because someone asked about one desktop file once.
* After we receive the first notification, reset the dir, destroying
* the monitor. We will take this as a hint, next time that we are
* asked, that we need to check if everything is up to date.
+ *
+ * If this is a notification for a parent directory (because the
+ * desktop directory didn't exist) then we shouldn't fire the signal
+ * unless something actually changed.
*/
g_mutex_lock (&desktop_file_dir_lock);
- desktop_file_dir_reset (dir);
+ if (dir->alternatively_watching)
+ {
+ gchar *alternative_dir;
+
+ alternative_dir = desktop_file_dir_get_alternative_dir (dir);
+ do_nothing = alternative_dir && g_str_equal (dir->alternatively_watching, alternative_dir);
+ g_free (alternative_dir);
+ }
+
+ if (!do_nothing)
+ desktop_file_dir_reset (dir);
g_mutex_unlock (&desktop_file_dir_lock);
/* Notify anyone else who may be interested */
- g_app_info_monitor_fire ();
+ if (!do_nothing)
+ g_app_info_monitor_fire ();
}
/* Internal utility functions {{{2 */
desktop_file_dir_app_name_is_masked (DesktopFileDir *dir,
const gchar *app_name)
{
- while (dir > desktop_file_dirs)
+ guint i;
+
+ for (i = 0; i < desktop_file_dirs->len; i++)
{
- dir--;
+ DesktopFileDir *i_dir = g_ptr_array_index (desktop_file_dirs, i);
- if (dir->app_names && g_hash_table_contains (dir->app_names, app_name))
+ if (dir == i_dir)
+ return FALSE;
+ if (i_dir->app_names && g_hash_table_contains (i_dir->app_names, app_name))
return TRUE;
}
return FALSE;
}
+/* Not much to go on from https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html
+ * so validate it as a non-empty alphanumeric ASCII string with `-` and `_` allowed.
+ *
+ * Validation is important as the desktop IDs are used to construct filenames,
+ * and may be set by an unprivileged caller if running in a setuid program. */
+static gboolean
+validate_xdg_desktop (const gchar *desktop)
+{
+ gsize i;
+
+ for (i = 0; desktop[i] != '\0'; i++)
+ if (desktop[i] != '-' && desktop[i] != '_' &&
+ !g_ascii_isalnum (desktop[i]))
+ return FALSE;
+
+ if (i == 0)
+ return FALSE;
+
+ return TRUE;
+}
+
+static char **
+get_valid_current_desktops (const char *value)
+{
+ char **tmp;
+ gsize i;
+ GPtrArray *valid_desktops;
+
+ if (value == NULL)
+ value = g_getenv ("XDG_CURRENT_DESKTOP");
+ if (value == NULL)
+ value = "";
+
+ tmp = g_strsplit (value, G_SEARCHPATH_SEPARATOR_S, 0);
+ valid_desktops = g_ptr_array_new_full (g_strv_length (tmp) + 1, g_free);
+ for (i = 0; tmp[i]; i++)
+ {
+ if (validate_xdg_desktop (tmp[i]))
+ g_ptr_array_add (valid_desktops, tmp[i]);
+ else
+ g_free (tmp[i]);
+ }
+ g_ptr_array_add (valid_desktops, NULL);
+ g_free (tmp);
+ tmp = (char **) g_ptr_array_steal (valid_desktops, NULL);
+ g_ptr_array_unref (valid_desktops);
+ return tmp;
+}
+
+static const gchar * const *
+get_lowercase_current_desktops (void)
+{
+ static gchar **result;
+
+ if (g_once_init_enter (&result))
+ {
+ char **tmp = get_valid_current_desktops (NULL);
+ gsize i, j;
+
+ for (i = 0; tmp[i]; i++)
+ {
+ /* Convert to lowercase. */
+ for (j = 0; tmp[i][j]; j++)
+ tmp[i][j] = g_ascii_tolower (tmp[i][j]);
+ }
+
+ g_once_init_leave (&result, tmp);
+ }
+
+ return (const gchar **) result;
+}
+
+static const gchar * const *
+get_current_desktops (const gchar *value)
+{
+ static gchar **result;
+
+ if (g_once_init_enter (&result))
+ {
+ char **tmp = get_valid_current_desktops (value);
+
+ g_once_init_leave (&result, tmp);
+ }
+
+ return (const gchar **) result;
+}
+
/*< internal >
* add_to_table_if_appropriate:
* @apps: a string to GDesktopAppInfo hash table
[DESKTOP_KEY_Comment] = 6
};
+/* Common prefix commands to ignore from Exec= lines */
+const char * const exec_key_match_blocklist[] = {
+ "bash",
+ "env",
+ "flatpak",
+ "gjs",
+ "pkexec",
+ "python",
+ "python2",
+ "python3",
+ "sh",
+ "wine",
+ "wine64",
+ NULL
+};
+
static gchar *
desktop_key_get_name (guint key_id)
{
case DESKTOP_KEY_Exec:
return "Exec";
case DESKTOP_KEY_GenericName:
- return "GenericName";
+ return GENERIC_NAME_KEY;
case DESKTOP_KEY_Keywords:
- return "Keywords";
+ return KEYWORDS_KEY;
case DESKTOP_KEY_Name:
return "Name";
case DESKTOP_KEY_X_GNOME_FullName:
- return "X-GNOME-FullName";
+ return FULL_NAME_KEY;
default:
g_assert_not_reached ();
}
static void
merge_token_results (gboolean first)
{
- qsort (static_token_results, static_token_results_size, sizeof (struct search_result), compare_results);
+ if (static_token_results_size != 0)
+ qsort (static_token_results, static_token_results_size, sizeof (struct search_result), compare_results);
/* If this is the first token then we are basically merging a list with
* itself -- we only perform de-duplication.
static void
sort_total_search_results (void)
{
- qsort (static_total_results, static_total_results_size, sizeof (struct search_result), compare_categories);
+ if (static_total_results_size != 0)
+ qsort (static_total_results, static_total_results_size, sizeof (struct search_result), compare_categories);
}
static void
static_total_results = g_renew (struct search_result, static_total_results, static_total_results_allocated);
}
- memcpy (static_total_results + static_total_results_size,
- static_search_results,
- static_search_results_size * sizeof (struct search_result));
+ if (static_total_results + static_total_results_size != 0)
+ memcpy (static_total_results + static_total_results_size,
+ static_search_results,
+ static_search_results_size * sizeof (struct search_result));
static_total_results_size += static_search_results_size;
static_search_results_size = 0;
}
-
/* Support for unindexed DesktopFileDirs {{{2 */
static void
get_apps_from_dir (GHashTable **apps,
g_dir_close (dir);
}
+typedef struct
+{
+ gchar **additions;
+ gchar **removals;
+ gchar **defaults;
+} UnindexedMimeTweaks;
+
+static void
+free_mime_tweaks (gpointer data)
+{
+ UnindexedMimeTweaks *tweaks = data;
+
+ g_strfreev (tweaks->additions);
+ g_strfreev (tweaks->removals);
+ g_strfreev (tweaks->defaults);
+
+ g_slice_free (UnindexedMimeTweaks, tweaks);
+}
+
+static UnindexedMimeTweaks *
+desktop_file_dir_unindexed_get_tweaks (DesktopFileDir *dir,
+ const gchar *mime_type)
+{
+ UnindexedMimeTweaks *tweaks;
+ gchar *unaliased_type;
+
+ unaliased_type = _g_unix_content_type_unalias (mime_type);
+ tweaks = g_hash_table_lookup (dir->mime_tweaks, unaliased_type);
+
+ if (tweaks == NULL)
+ {
+ tweaks = g_slice_new0 (UnindexedMimeTweaks);
+ g_hash_table_insert (dir->mime_tweaks, unaliased_type, tweaks);
+ }
+ else
+ g_free (unaliased_type);
+
+ return tweaks;
+}
+
+/* consumes 'to_add' */
+static void
+expand_strv (gchar ***strv_ptr,
+ gchar **to_add,
+ gchar * const *blocklist)
+{
+ guint strv_len, add_len;
+ gchar **strv;
+ guint i, j;
+
+ if (!*strv_ptr)
+ {
+ *strv_ptr = to_add;
+ return;
+ }
+
+ strv = *strv_ptr;
+ strv_len = g_strv_length (strv);
+ add_len = g_strv_length (to_add);
+ strv = g_renew (gchar *, strv, strv_len + add_len + 1);
+
+ for (i = 0; to_add[i]; i++)
+ {
+ /* Don't add blocklisted strings */
+ if (blocklist)
+ for (j = 0; blocklist[j]; j++)
+ if (g_str_equal (to_add[i], blocklist[j]))
+ goto no_add;
+
+ /* Don't add duplicates already in the list */
+ for (j = 0; j < strv_len; j++)
+ if (g_str_equal (to_add[i], strv[j]))
+ goto no_add;
+
+ strv[strv_len++] = to_add[i];
+ continue;
+
+no_add:
+ g_free (to_add[i]);
+ }
+
+ strv[strv_len] = NULL;
+ *strv_ptr = strv;
+
+ g_free (to_add);
+}
+
+static void
+desktop_file_dir_unindexed_read_mimeapps_list (DesktopFileDir *dir,
+ const gchar *filename,
+ const gchar *added_group,
+ gboolean tweaks_permitted)
+{
+ UnindexedMimeTweaks *tweaks;
+ char **desktop_file_ids;
+ GKeyFile *key_file;
+ gchar **mime_types;
+ int i;
+
+ key_file = g_key_file_new ();
+ if (!g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL))
+ {
+ g_key_file_free (key_file);
+ return;
+ }
+
+ mime_types = g_key_file_get_keys (key_file, added_group, NULL, NULL);
+
+ if G_UNLIKELY (mime_types != NULL && !tweaks_permitted)
+ {
+ g_warning ("%s contains a [%s] group, but it is not permitted here. Only the non-desktop-specific "
+ "mimeapps.list file may add or remove associations.", filename, added_group);
+ g_strfreev (mime_types);
+ mime_types = NULL;
+ }
+
+ if (mime_types != NULL)
+ {
+ for (i = 0; mime_types[i] != NULL; i++)
+ {
+ desktop_file_ids = g_key_file_get_string_list (key_file, added_group, mime_types[i], NULL, NULL);
+
+ if (desktop_file_ids)
+ {
+ tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
+ expand_strv (&tweaks->additions, desktop_file_ids, tweaks->removals);
+ }
+ }
+
+ g_strfreev (mime_types);
+ }
+
+ mime_types = g_key_file_get_keys (key_file, REMOVED_ASSOCIATIONS_GROUP, NULL, NULL);
+
+ if G_UNLIKELY (mime_types != NULL && !tweaks_permitted)
+ {
+ g_warning ("%s contains a [%s] group, but it is not permitted here. Only the non-desktop-specific "
+ "mimeapps.list file may add or remove associations.", filename, REMOVED_ASSOCIATIONS_GROUP);
+ g_strfreev (mime_types);
+ mime_types = NULL;
+ }
+
+ if (mime_types != NULL)
+ {
+ for (i = 0; mime_types[i] != NULL; i++)
+ {
+ desktop_file_ids = g_key_file_get_string_list (key_file, REMOVED_ASSOCIATIONS_GROUP, mime_types[i], NULL, NULL);
+
+ if (desktop_file_ids)
+ {
+ tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
+ expand_strv (&tweaks->removals, desktop_file_ids, tweaks->additions);
+ }
+ }
+
+ g_strfreev (mime_types);
+ }
+
+ mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP, NULL, NULL);
+
+ if (mime_types != NULL)
+ {
+ for (i = 0; mime_types[i] != NULL; i++)
+ {
+ desktop_file_ids = g_key_file_get_string_list (key_file, DEFAULT_APPLICATIONS_GROUP, mime_types[i], NULL, NULL);
+
+ if (desktop_file_ids)
+ {
+ tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
+ expand_strv (&tweaks->defaults, desktop_file_ids, NULL);
+ }
+ }
+
+ g_strfreev (mime_types);
+ }
+
+ g_key_file_free (key_file);
+}
+
+static void
+desktop_file_dir_unindexed_read_mimeapps_lists (DesktopFileDir *dir)
+{
+ const gchar * const *desktops;
+ gchar *filename;
+ gint i;
+
+ dir->mime_tweaks = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, free_mime_tweaks);
+
+ /* We process in order of precedence, using a blocklisting approach to
+ * avoid recording later instructions that conflict with ones we found
+ * earlier.
+ *
+ * We first start with the XDG_CURRENT_DESKTOP files, in precedence
+ * order.
+ */
+ desktops = get_lowercase_current_desktops ();
+ for (i = 0; desktops[i]; i++)
+ {
+ filename = g_strdup_printf ("%s/%s-mimeapps.list", dir->path, desktops[i]);
+ desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, FALSE);
+ g_free (filename);
+ }
+
+ /* Next, the non-desktop-specific mimeapps.list */
+ filename = g_strdup_printf ("%s/mimeapps.list", dir->path);
+ desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, TRUE);
+ g_free (filename);
+
+ /* The remaining files are only checked for in directories that might
+ * contain desktop files (ie: not the config dirs).
+ */
+ if (dir->is_config)
+ return;
+
+ /* We have 'defaults.list' which was only ever understood by GLib. It
+ * exists widely, but it has never been part of any spec and it should
+ * be treated as deprecated. This will be removed in a future
+ * version.
+ */
+ filename = g_strdup_printf ("%s/defaults.list", dir->path);
+ desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, FALSE);
+ g_free (filename);
+
+ /* Finally, the mimeinfo.cache, which is just a cached copy of what we
+ * would find in the MimeTypes= lines of all of the desktop files.
+ */
+ filename = g_strdup_printf ("%s/mimeinfo.cache", dir->path);
+ desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, MIME_CACHE_GROUP, TRUE);
+ g_free (filename);
+}
+
static void
desktop_file_dir_unindexed_init (DesktopFileDir *dir)
{
- get_apps_from_dir (&dir->app_names, dir->path, "");
+ if (!dir->is_config)
+ get_apps_from_dir (&dir->app_names, dir->path, "");
+
+ desktop_file_dir_unindexed_read_mimeapps_lists (dir);
+}
+
+static GDesktopAppInfo *
+g_desktop_app_info_new_from_filename_unlocked (const char *filename)
+{
+ GDesktopAppInfo *info = NULL;
+
+ info = g_object_new (G_TYPE_DESKTOP_APP_INFO, "filename", filename, NULL);
+
+ if (!g_desktop_app_info_load_file (info))
+ g_clear_object (&info);
+
+ return info;
}
static GDesktopAppInfo *
if (!filename)
return NULL;
- return g_desktop_app_info_new_from_filename (filename);
+ return g_desktop_app_info_new_from_filename_unlocked (filename);
}
static void
if (desktop_file_dir_app_name_is_masked (dir, app_name))
continue;
- add_to_table_if_appropriate (apps, app_name, g_desktop_app_info_new_from_filename (filename));
+ add_to_table_if_appropriate (apps, app_name, g_desktop_app_info_new_from_filename_unlocked (filename));
}
}
gpointer app, path;
dir->memory_index = memory_index_new ();
+ dir->memory_implementations = memory_index_new ();
/* Nothing to search? */
if (dir->app_names == NULL)
!g_key_file_get_boolean (key_file, "Desktop Entry", "Hidden", NULL))
{
/* Index the interesting keys... */
- gint i;
+ gchar **implements;
+ gsize i;
for (i = 0; i < G_N_ELEMENTS (desktop_key_match_category); i++)
{
/* Skip the pathname, if any */
if ((slash = strrchr (raw, '/')))
value = slash + 1;
+
+ /* Don't match on blocklisted binaries like interpreters */
+ if (g_strv_contains (exec_key_match_blocklist, value))
+ value = NULL;
}
if (value)
g_free (raw);
}
+
+ /* Make note of the Implements= line */
+ implements = g_key_file_get_string_list (key_file, "Desktop Entry", "Implements", NULL, NULL);
+ for (i = 0; implements && implements[i]; i++)
+ memory_index_add_token (dir->memory_implementations, implements[i], 0, app);
+ g_strfreev (implements);
}
g_key_file_free (key_file);
}
}
-/* DesktopFileDir "API" {{{2 */
-
-/*< internal >
- * desktop_file_dir_create:
- * @array: the #GArray to add a new item to
- * @data_dir: an XDG_DATA_DIR
- *
- * Creates a #DesktopFileDir for the corresponding @data_dir, adding it
- * to @array.
- */
-static void
-desktop_file_dir_create (GArray *array,
- const gchar *data_dir)
+static gboolean
+array_contains (GPtrArray *array,
+ const gchar *str)
{
- DesktopFileDir dir = { 0, };
+ guint i;
- dir.path = g_build_filename (data_dir, "applications", NULL);
+ for (i = 0; i < array->len; i++)
+ if (g_str_equal (array->pdata[i], str))
+ return TRUE;
- g_array_append_val (array, dir);
+ return FALSE;
}
-/*< internal >
- * desktop_file_dir_reset:
- * @dir: a #DesktopFileDir
- *
- * Cleans up @dir, releasing most resources that it was using.
- */
static void
-desktop_file_dir_reset (DesktopFileDir *dir)
+desktop_file_dir_unindexed_mime_lookup (DesktopFileDir *dir,
+ const gchar *mime_type,
+ GPtrArray *hits,
+ GPtrArray *blocklist)
{
- if (dir->monitor)
+ UnindexedMimeTweaks *tweaks;
+ gint i;
+
+ tweaks = g_hash_table_lookup (dir->mime_tweaks, mime_type);
+
+ if (!tweaks)
+ return;
+
+ if (tweaks->additions)
{
- g_signal_handlers_disconnect_by_func (dir->monitor, desktop_file_dir_changed, dir);
- g_object_unref (dir->monitor);
- dir->monitor = NULL;
+ for (i = 0; tweaks->additions[i]; i++)
+ {
+ gchar *app_name = tweaks->additions[i];
+
+ if (!desktop_file_dir_app_name_is_masked (dir, app_name) &&
+ !array_contains (blocklist, app_name) && !array_contains (hits, app_name))
+ g_ptr_array_add (hits, app_name);
+ }
}
- if (dir->app_names)
+ if (tweaks->removals)
{
- g_hash_table_unref (dir->app_names);
- dir->app_names = NULL;
+ for (i = 0; tweaks->removals[i]; i++)
+ {
+ gchar *app_name = tweaks->removals[i];
+
+ if (!desktop_file_dir_app_name_is_masked (dir, app_name) &&
+ !array_contains (blocklist, app_name) && !array_contains (hits, app_name))
+ g_ptr_array_add (blocklist, app_name);
+ }
+ }
+}
+
+static void
+desktop_file_dir_unindexed_default_lookup (DesktopFileDir *dir,
+ const gchar *mime_type,
+ GPtrArray *results)
+{
+ UnindexedMimeTweaks *tweaks;
+ gint i;
+
+ tweaks = g_hash_table_lookup (dir->mime_tweaks, mime_type);
+
+ if (!tweaks || !tweaks->defaults)
+ return;
+
+ for (i = 0; tweaks->defaults[i]; i++)
+ {
+ gchar *app_name = tweaks->defaults[i];
+
+ if (!array_contains (results, app_name))
+ g_ptr_array_add (results, app_name);
+ }
+}
+
+static void
+desktop_file_dir_unindexed_get_implementations (DesktopFileDir *dir,
+ GList **results,
+ const gchar *interface)
+{
+ MemoryIndexEntry *mie;
+
+ if (!dir->memory_index)
+ desktop_file_dir_unindexed_setup_search (dir);
+
+ for (mie = g_hash_table_lookup (dir->memory_implementations, interface); mie; mie = mie->next)
+ *results = g_list_prepend (*results, g_strdup (mie->app_name));
+}
+
+/* DesktopFileDir "API" {{{2 */
+
+/*< internal >
+ * desktop_file_dir_new:
+ * @data_dir: an XDG_DATA_DIR
+ *
+ * Creates a #DesktopFileDir for the corresponding @data_dir.
+ */
+static DesktopFileDir *
+desktop_file_dir_new (const gchar *data_dir)
+{
+ DesktopFileDir *dir = g_new0 (DesktopFileDir, 1);
+
+ g_atomic_ref_count_init (&dir->ref_count);
+ dir->path = g_build_filename (data_dir, "applications", NULL);
+
+ return g_steal_pointer (&dir);
+}
+
+/*< internal >
+ * desktop_file_dir_new_for_config:
+ * @config_dir: an XDG_CONFIG_DIR
+ *
+ * Just the same as desktop_file_dir_new() except that it does not
+ * add the "applications" directory. It also marks the directory as
+ * config-only, which prevents us from attempting to find desktop files
+ * here.
+ */
+static DesktopFileDir *
+desktop_file_dir_new_for_config (const gchar *config_dir)
+{
+ DesktopFileDir *dir = g_new0 (DesktopFileDir, 1);
+
+ g_atomic_ref_count_init (&dir->ref_count);
+ dir->path = g_strdup (config_dir);
+ dir->is_config = TRUE;
+
+ return g_steal_pointer (&dir);
+}
+
+/*< internal >
+ * desktop_file_dir_reset:
+ * @dir: a #DesktopFileDir
+ *
+ * Cleans up @dir, releasing most resources that it was using.
+ */
+static void
+desktop_file_dir_reset (DesktopFileDir *dir)
+{
+ if (dir->alternatively_watching)
+ {
+ g_free (dir->alternatively_watching);
+ dir->alternatively_watching = NULL;
+ }
+
+ if (dir->monitor)
+ {
+ g_signal_handlers_disconnect_by_func (dir->monitor, desktop_file_dir_changed, dir);
+ g_file_monitor_cancel (dir->monitor);
+ g_object_unref (dir->monitor);
+ dir->monitor = NULL;
+ }
+
+ if (dir->app_names)
+ {
+ g_hash_table_unref (dir->app_names);
+ dir->app_names = NULL;
}
if (dir->memory_index)
dir->memory_index = NULL;
}
+ if (dir->mime_tweaks)
+ {
+ g_hash_table_unref (dir->mime_tweaks);
+ dir->mime_tweaks = NULL;
+ }
+
+ if (dir->memory_implementations)
+ {
+ g_hash_table_unref (dir->memory_implementations);
+ dir->memory_implementations = NULL;
+ }
+
dir->is_setup = FALSE;
}
+static void
+closure_notify_cb (gpointer data,
+ GClosure *closure)
+{
+ DesktopFileDir *dir = data;
+ desktop_file_dir_unref (dir);
+}
+
/*< internal >
* desktop_file_dir_init:
* @dir: a #DesktopFileDir
static void
desktop_file_dir_init (DesktopFileDir *dir)
{
+ const gchar *watch_dir;
+
g_assert (!dir->is_setup);
+ g_assert (!dir->alternatively_watching);
g_assert (!dir->monitor);
- dir->monitor = g_local_directory_monitor_new_in_worker (dir->path, G_FILE_MONITOR_NONE, NULL);
- if (dir->monitor)
- {
- g_signal_connect (dir->monitor, "changed", G_CALLBACK (desktop_file_dir_changed), dir);
- g_local_directory_monitor_start (dir->monitor);
- }
+ dir->alternatively_watching = desktop_file_dir_get_alternative_dir (dir);
+ watch_dir = dir->alternatively_watching ? dir->alternatively_watching : dir->path;
+
+ /* There is a very thin race here if the watch_dir has been _removed_
+ * between when we checked for it and when we establish the watch.
+ * Removes probably don't happen in usual operation, and even if it
+ * does (and we catch the unlikely race), the only degradation is that
+ * we will fall back to polling.
+ */
+ dir->monitor = g_local_file_monitor_new_in_worker (watch_dir, TRUE, G_FILE_MONITOR_NONE,
+ desktop_file_dir_changed,
+ desktop_file_dir_ref (dir),
+ closure_notify_cb, NULL);
desktop_file_dir_unindexed_init (dir);
}
/*< internal >
+ * desktop_file_dir_mime_lookup:
+ * @dir: a #DesktopFileDir
+ * @mime_type: the mime type to look up
+ * @hits: the array to store the hits
+ * @blocklist: the array to store the blocklist
+ *
+ * Does a lookup of a mimetype against one desktop file directory,
+ * recording any hits and blocklisting and "Removed" associations (so
+ * later directories don't record them as hits).
+ *
+ * The items added to @hits are duplicated, but the ones in @blocklist
+ * are weak pointers. This facilitates simply freeing the blocklist
+ * (which is only used for internal bookkeeping) but using the pdata of
+ * @hits as the result of the operation.
+ */
+static void
+desktop_file_dir_mime_lookup (DesktopFileDir *dir,
+ const gchar *mime_type,
+ GPtrArray *hits,
+ GPtrArray *blocklist)
+{
+ desktop_file_dir_unindexed_mime_lookup (dir, mime_type, hits, blocklist);
+}
+
+/*< internal >
+ * desktop_file_dir_default_lookup:
+ * @dir: a #DesktopFileDir
+ * @mime_type: the mime type to look up
+ * @results: an array to store the results in
+ *
+ * Collects the "default" applications for a given mime type from @dir.
+ */
+static void
+desktop_file_dir_default_lookup (DesktopFileDir *dir,
+ const gchar *mime_type,
+ GPtrArray *results)
+{
+ desktop_file_dir_unindexed_default_lookup (dir, mime_type, results);
+}
+
+/*< internal >
* desktop_file_dir_search:
- * @dir: a #DesktopFilEDir
+ * @dir: a #DesktopFileDir
* @term: a normalised and casefolded search term
*
* Finds the names of applications in @dir that match @term.
desktop_file_dir_unindexed_search (dir, search_token);
}
+static void
+desktop_file_dir_get_implementations (DesktopFileDir *dir,
+ GList **results,
+ const gchar *interface)
+{
+ desktop_file_dir_unindexed_get_implementations (dir, results, interface);
+}
+
/* Lock/unlock and global setup API {{{2 */
static void
desktop_file_dirs_lock (void)
{
- gint i;
+ guint i;
+ const gchar *user_config_dir = g_get_user_config_dir ();
g_mutex_lock (&desktop_file_dir_lock);
- if (desktop_file_dirs == NULL)
+ /* If the XDG dirs configuration has changed (expected only during tests),
+ * clear and reload the state. */
+ if (desktop_file_dirs_config_dir != NULL &&
+ g_strcmp0 (desktop_file_dirs_config_dir, user_config_dir) != 0)
+ {
+ g_debug ("%s: Resetting desktop app info dirs from %s to %s",
+ G_STRFUNC, desktop_file_dirs_config_dir, user_config_dir);
+
+ g_ptr_array_set_size (desktop_file_dirs, 0);
+ g_clear_pointer (&desktop_file_dir_user_config, desktop_file_dir_unref);
+ g_clear_pointer (&desktop_file_dir_user_data, desktop_file_dir_unref);
+ }
+
+ if (desktop_file_dirs == NULL || desktop_file_dirs->len == 0)
{
- const char * const *data_dirs;
- GArray *tmp;
+ const char * const *dirs;
gint i;
- tmp = g_array_new (FALSE, FALSE, sizeof (DesktopFileDir));
+ if (desktop_file_dirs == NULL)
+ desktop_file_dirs = g_ptr_array_new_with_free_func ((GDestroyNotify) desktop_file_dir_unref);
- /* Highest priority: the user's ~/.local/share/applications */
- desktop_file_dir_create (tmp, g_get_user_data_dir ());
+ /* First, the configs. Highest priority: the user's ~/.config */
+ desktop_file_dir_user_config = desktop_file_dir_new_for_config (user_config_dir);
+ g_ptr_array_add (desktop_file_dirs, desktop_file_dir_ref (desktop_file_dir_user_config));
- /* Following that, XDG_DATA_DIRS/applications, in order */
- data_dirs = g_get_system_data_dirs ();
- for (i = 0; data_dirs[i]; i++)
- desktop_file_dir_create (tmp, data_dirs[i]);
+ /* Next, the system configs (/etc/xdg, and so on). */
+ dirs = g_get_system_config_dirs ();
+ for (i = 0; dirs[i]; i++)
+ g_ptr_array_add (desktop_file_dirs, desktop_file_dir_new_for_config (dirs[i]));
+
+ /* Now the data. Highest priority: the user's ~/.local/share/applications */
+ desktop_file_dir_user_data = desktop_file_dir_new (g_get_user_data_dir ());
+ g_ptr_array_add (desktop_file_dirs, desktop_file_dir_ref (desktop_file_dir_user_data));
- desktop_file_dirs = (DesktopFileDir *) tmp->data;
- n_desktop_file_dirs = tmp->len;
+ /* Following that, XDG_DATA_DIRS/applications, in order */
+ dirs = g_get_system_data_dirs ();
+ for (i = 0; dirs[i]; i++)
+ g_ptr_array_add (desktop_file_dirs, desktop_file_dir_new (dirs[i]));
- g_array_free (tmp, FALSE);
+ /* The list of directories will never change after this, unless
+ * g_get_user_config_dir() changes due to %G_TEST_OPTION_ISOLATE_DIRS. */
+ desktop_file_dirs_config_dir = user_config_dir;
}
- for (i = 0; i < n_desktop_file_dirs; i++)
- if (!desktop_file_dirs[i].is_setup)
- desktop_file_dir_init (&desktop_file_dirs[i]);
+ for (i = 0; i < desktop_file_dirs->len; i++)
+ if (!((DesktopFileDir *) g_ptr_array_index (desktop_file_dirs, i))->is_setup)
+ desktop_file_dir_init (g_ptr_array_index (desktop_file_dirs, i));
}
static void
}
static void
-desktop_file_dirs_refresh (void)
+desktop_file_dirs_invalidate_user_config (void)
{
- desktop_file_dirs_lock ();
- desktop_file_dirs_unlock ();
+ g_mutex_lock (&desktop_file_dir_lock);
+
+ if (desktop_file_dir_user_config != NULL)
+ desktop_file_dir_reset (desktop_file_dir_user_config);
+
+ g_mutex_unlock (&desktop_file_dir_lock);
}
static void
-desktop_file_dirs_invalidate_user (void)
+desktop_file_dirs_invalidate_user_data (void)
{
g_mutex_lock (&desktop_file_dir_lock);
- if (n_desktop_file_dirs)
- desktop_file_dir_reset (&desktop_file_dirs[0]);
+ if (desktop_file_dir_user_data != NULL)
+ desktop_file_dir_reset (desktop_file_dir_user_data);
g_mutex_unlock (&desktop_file_dir_lock);
}
return g_strndup (start, p - start);
}
+/*< internal >
+ * g_desktop_app_info_get_desktop_id_for_filename
+ * @self: #GDesktopAppInfo to get desktop id of
+ *
+ * Tries to find the desktop ID for a particular `.desktop` filename, as per the
+ * [Desktop Entry Specification](https://specifications.freedesktop.org/desktop-
+ * entry-spec/desktop-entry-spec-latest.html#desktop-file-id).
+ *
+ * Returns: desktop id or basename if filename is unknown.
+ */
+static char *
+g_desktop_app_info_get_desktop_id_for_filename (GDesktopAppInfo *self)
+{
+ guint i;
+ gchar *desktop_id = NULL;
+
+ g_return_val_if_fail (self->filename != NULL, NULL);
+
+ for (i = 0; i < desktop_file_dirs->len; i++)
+ {
+ DesktopFileDir *dir = g_ptr_array_index (desktop_file_dirs, i);
+ GHashTable *app_names;
+ GHashTableIter iter;
+ gpointer key, value;
+
+ app_names = dir->app_names;
+
+ if (!app_names)
+ continue;
+
+ g_hash_table_iter_init (&iter, app_names);
+ while (g_hash_table_iter_next (&iter, &key, &value))
+ {
+ if (!strcmp (value, self->filename))
+ {
+ desktop_id = g_strdup (key);
+ break;
+ }
+ }
+
+ if (desktop_id)
+ break;
+ }
+
+ if (!desktop_id)
+ desktop_id = g_path_get_basename (self->filename);
+
+ return g_steal_pointer (&desktop_id);
+}
+
static gboolean
g_desktop_app_info_load_from_keyfile (GDesktopAppInfo *info,
GKeyFile *key_file)
else
{
char *t;
+
+ /* Since @exec is not an empty string, there must be at least one
+ * argument, so dereferencing argv[0] should return non-NULL. */
+ g_assert (argc > 0);
t = g_find_program_in_path (argv[0]);
g_strfreev (argv);
{
*last_dot = '\0';
- if (g_dbus_is_interface_name (basename))
+ if (g_dbus_is_name (basename) && basename[0] != ':')
info->app_id = g_strdup (basename);
}
g_free (basename);
}
+ if (info->filename)
+ info->desktop_id = g_desktop_app_info_get_desktop_id_for_filename (info);
+
info->keyfile = g_key_file_ref (key_file);
return TRUE;
g_return_val_if_fail (self->filename != NULL, FALSE);
- self->desktop_id = g_path_get_basename (self->filename);
-
key_file = g_key_file_new ();
if (g_key_file_load_from_file (key_file, self->filename, G_KEY_FILE_NONE, NULL))
*
* Creates a new #GDesktopAppInfo.
*
- * Returns: a new #GDesktopAppInfo or %NULL on error.
+ * Returns: (nullable): a new #GDesktopAppInfo or %NULL on error.
*
* Since: 2.18
**/
info = g_object_new (G_TYPE_DESKTOP_APP_INFO, NULL);
info->filename = NULL;
+
+ desktop_file_dirs_lock ();
+
if (!g_desktop_app_info_load_from_keyfile (info, key_file))
- {
- g_object_unref (info);
- return NULL;
- }
+ g_clear_object (&info);
+
+ desktop_file_dirs_unlock ();
+
return info;
}
/**
* g_desktop_app_info_new_from_filename:
- * @filename: the path of a desktop file, in the GLib filename encoding
+ * @filename: (type filename): the path of a desktop file, in the GLib
+ * filename encoding
*
* Creates a new #GDesktopAppInfo.
*
- * Returns: a new #GDesktopAppInfo or %NULL on error.
+ * Returns: (nullable): a new #GDesktopAppInfo or %NULL on error.
**/
GDesktopAppInfo *
g_desktop_app_info_new_from_filename (const char *filename)
{
GDesktopAppInfo *info = NULL;
- info = g_object_new (G_TYPE_DESKTOP_APP_INFO, "filename", filename, NULL);
- if (!g_desktop_app_info_load_file (info))
- {
- g_object_unref (info);
- return NULL;
- }
+ desktop_file_dirs_lock ();
+
+ info = g_desktop_app_info_new_from_filename_unlocked (filename);
+
+ desktop_file_dirs_unlock ();
+
return info;
}
* (i.e. a desktop id of kde-foo.desktop will match
* `/usr/share/applications/kde/foo.desktop`).
*
- * Returns: a new #GDesktopAppInfo, or %NULL if no desktop file with that id
+ * Returns: (nullable): a new #GDesktopAppInfo, or %NULL if no desktop
+ * file with that id exists.
*/
GDesktopAppInfo *
g_desktop_app_info_new (const char *desktop_id)
desktop_file_dirs_lock ();
- for (i = 0; i < n_desktop_file_dirs; i++)
+ for (i = 0; i < desktop_file_dirs->len; i++)
{
- appinfo = desktop_file_dir_get_app (&desktop_file_dirs[i], desktop_id);
+ appinfo = desktop_file_dir_get_app (g_ptr_array_index (desktop_file_dirs, i), desktop_id);
if (appinfo)
break;
* situations such as the #GDesktopAppInfo returned from
* g_desktop_app_info_new_from_keyfile(), this function will return %NULL.
*
- * Returns: The full path to the file for @info, or %NULL if not known.
+ * Returns: (nullable) (type filename): The full path to the file for @info,
+ * or %NULL if not known.
* Since: 2.24
*/
const char *
*
* Gets the categories from the desktop file.
*
- * Returns: The unparsed Categories key from the desktop file;
+ * Returns: (nullable): The unparsed Categories key from the desktop file;
* i.e. no attempt is made to split it by ';' or validate it.
*/
const char *
* g_desktop_app_info_get_generic_name:
* @info: a #GDesktopAppInfo
*
- * Gets the generic name from the destkop file.
+ * Gets the generic name from the desktop file.
*
- * Returns: The value of the GenericName key
+ * Returns: (nullable): The value of the GenericName key
*/
const char *
g_desktop_app_info_get_generic_name (GDesktopAppInfo *info)
*
* Gets the value of the NoDisplay key, which helps determine if the
* application info should be shown in menus. See
- * #G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY and g_app_info_should_show().
+ * %G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY and g_app_info_should_show().
*
* Returns: The value of the NoDisplay key
*
/**
* g_desktop_app_info_get_show_in:
* @info: a #GDesktopAppInfo
- * @desktop_env: a string specifying a desktop name
+ * @desktop_env: (nullable): a string specifying a desktop name
*
* Checks if the application info should be shown in menus that list available
* applications for a specific name of the desktop, based on the
* `OnlyShowIn` and `NotShowIn` keys.
*
- * If @desktop_env is %NULL, then the name of the desktop set with
- * g_desktop_app_info_set_desktop_env() is used.
+ * @desktop_env should typically be given as %NULL, in which case the
+ * `XDG_CURRENT_DESKTOP` environment variable is consulted. If you want
+ * to override the default mechanism then you may specify @desktop_env,
+ * but this is not recommended.
*
* Note that g_app_info_should_show() for @info will include this check (with
* %NULL for @desktop_env) as well as additional checks.
g_desktop_app_info_get_show_in (GDesktopAppInfo *info,
const gchar *desktop_env)
{
- gboolean found;
- int i;
+ const gchar *specified_envs[] = { desktop_env, NULL };
+ const gchar * const *envs;
+ gint i;
g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), FALSE);
- if (!desktop_env) {
- G_LOCK (g_desktop_env);
- desktop_env = g_desktop_env;
- G_UNLOCK (g_desktop_env);
- }
+ if (desktop_env)
+ envs = specified_envs;
+ else
+ envs = get_current_desktops (NULL);
- if (info->only_show_in)
+ for (i = 0; envs[i]; i++)
{
- if (desktop_env == NULL)
- return FALSE;
+ gint j;
- found = FALSE;
- for (i = 0; info->only_show_in[i] != NULL; i++)
- {
- if (strcmp (info->only_show_in[i], desktop_env) == 0)
- {
- found = TRUE;
- break;
- }
- }
- if (!found)
- return FALSE;
- }
+ if (info->only_show_in)
+ for (j = 0; info->only_show_in[j]; j++)
+ if (g_str_equal (info->only_show_in[j], envs[i]))
+ return TRUE;
- if (info->not_show_in && desktop_env)
- {
- for (i = 0; info->not_show_in[i] != NULL; i++)
- {
- if (strcmp (info->not_show_in[i], desktop_env) == 0)
+ if (info->not_show_in)
+ for (j = 0; info->not_show_in[j]; j++)
+ if (g_str_equal (info->not_show_in[j], envs[i]))
return FALSE;
- }
}
- return TRUE;
+ return info->only_show_in == NULL;
}
/* Launching... {{{2 */
static char *
-expand_macro_single (char macro, char *uri)
+expand_macro_single (char macro, const char *uri)
{
GFile *file;
char *result = NULL;
return result;
}
+static char *
+expand_macro_uri (char macro, const char *uri, gboolean force_file_uri, char force_file_uri_macro)
+{
+ char *expanded = NULL;
+
+ g_return_val_if_fail (uri != NULL, NULL);
+
+ if (!force_file_uri ||
+ /* Pass URI if it contains an anchor */
+ strchr (uri, '#') != NULL)
+ {
+ expanded = expand_macro_single (macro, uri);
+ }
+ else
+ {
+ expanded = expand_macro_single (force_file_uri_macro, uri);
+ if (expanded == NULL)
+ expanded = expand_macro_single (macro, uri);
+ }
+
+ return expanded;
+}
+
static void
expand_macro (char macro,
GString *exec,
GList **uri_list)
{
GList *uris = *uri_list;
- char *expanded;
+ char *expanded = NULL;
gboolean force_file_uri;
char force_file_uri_macro;
- char *uri;
+ const char *uri;
g_return_if_fail (exec != NULL);
if (uris)
{
uri = uris->data;
- if (!force_file_uri ||
- /* Pass URI if it contains an anchor */
- strchr (uri, '#') != NULL)
- {
- expanded = expand_macro_single (macro, uri);
- }
- else
- {
- expanded = expand_macro_single (force_file_uri_macro, uri);
- if (expanded == NULL)
- expanded = expand_macro_single (macro, uri);
- }
-
+ expanded = expand_macro_uri (macro, uri,
+ force_file_uri, force_file_uri_macro);
if (expanded)
{
g_string_append (exec, expanded);
while (uris)
{
uri = uris->data;
-
- if (!force_file_uri ||
- /* Pass URI if it contains an anchor */
- strchr (uri, '#') != NULL)
- {
- expanded = expand_macro_single (macro, uri);
- }
- else
- {
- expanded = expand_macro_single (force_file_uri_macro, uri);
- if (expanded == NULL)
- expanded = expand_macro_single (macro, uri);
- }
-
+ expanded = expand_macro_uri (macro, uri,
+ force_file_uri, force_file_uri_macro);
if (expanded)
{
g_string_append (exec, expanded);
if (exec_line == NULL)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
- _("Desktop file didn't specify Exec field"));
+ _("Desktop file didn’t specify Exec field"));
return FALSE;
}
if (check != NULL)
{
term_argv[0] = check;
- /* Note that gnome-terminal takes -x and
- * as -e in gnome-terminal is broken we use that. */
- term_argv[1] = g_strdup ("-x");
+ /* Since 2017, gnome-terminal has preferred `--` over `-x` or `-e`. */
+ term_argv[1] = g_strdup ("--");
}
else
{
if (check == NULL)
- check = g_find_program_in_path ("nxterm");
- if (check == NULL)
- check = g_find_program_in_path ("color-xterm");
- if (check == NULL)
- check = g_find_program_in_path ("rxvt");
- if (check == NULL)
- check = g_find_program_in_path ("xterm");
- if (check == NULL)
- check = g_find_program_in_path ("dtterm");
+ check = g_find_program_in_path ("mate-terminal");
if (check == NULL)
+ check = g_find_program_in_path ("xfce4-terminal");
+ if (check != NULL)
{
- check = g_strdup ("xterm");
- g_warning ("couldn't find a terminal, falling back to xterm");
+ term_argv[0] = check;
+ /* Note that gnome-terminal takes -x and
+ * as -e in gnome-terminal is broken we use that. */
+ term_argv[1] = g_strdup ("-x");
+ }
+ else
+ {
+ if (check == NULL)
+ check = g_find_program_in_path ("tilix");
+ if (check == NULL)
+ check = g_find_program_in_path ("konsole");
+ if (check == NULL)
+ check = g_find_program_in_path ("nxterm");
+ if (check == NULL)
+ check = g_find_program_in_path ("color-xterm");
+ if (check == NULL)
+ check = g_find_program_in_path ("rxvt");
+ if (check == NULL)
+ check = g_find_program_in_path ("dtterm");
+ if (check == NULL)
+ check = g_find_program_in_path ("xterm");
+ if (check == NULL)
+ {
+ g_debug ("Couldn’t find a known terminal");
+ g_free (term_argv);
+ return FALSE;
+ }
+ term_argv[0] = check;
+ term_argv[1] = g_strdup ("-e");
}
- term_argv[0] = check;
- term_argv[1] = g_strdup ("-e");
}
real_argc = term_argc + *argc;
return g_list_reverse (res);
}
-typedef struct
-{
- GSpawnChildSetupFunc user_setup;
- gpointer user_setup_data;
-
- char *pid_envvar;
-} ChildSetupData;
-
-static void
-child_setup (gpointer user_data)
-{
- ChildSetupData *data = user_data;
-
- if (data->pid_envvar)
- {
- pid_t pid = getpid ();
- char buf[20];
- int i;
-
- /* Write the pid into the space already reserved for it in the
- * environment array. We can't use sprintf because it might
- * malloc, so we do it by hand. It's simplest to write the pid
- * out backwards first, then copy it over.
- */
- for (i = 0; pid; i++, pid /= 10)
- buf[i] = (pid % 10) + '0';
- for (i--; i >= 0; i--)
- *(data->pid_envvar++) = buf[i];
- *data->pid_envvar = '\0';
- }
-
- if (data->user_setup)
- data->user_setup (data->user_setup_data);
-}
-
static void
notify_desktop_launch (GDBusConnection *session_bus,
GDesktopAppInfo *info,
g_object_unref (msg);
}
+static void
+emit_launch_started (GAppLaunchContext *context,
+ GDesktopAppInfo *info,
+ const gchar *startup_id)
+{
+ GVariantBuilder builder;
+ GVariant *platform_data = NULL;
+
+ if (startup_id)
+ {
+ g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
+ g_variant_builder_add (&builder, "{sv}",
+ "startup-notification-id",
+ g_variant_new_string (startup_id));
+ platform_data = g_variant_ref_sink (g_variant_builder_end (&builder));
+ }
+ g_signal_emit_by_name (context, "launch-started", info, platform_data);
+ g_clear_pointer (&platform_data, g_variant_unref);
+}
+
#define _SPAWN_FLAGS_DEFAULT (G_SPAWN_SEARCH_PATH)
static gboolean
gpointer user_setup_data,
GDesktopAppLaunchCallback pid_callback,
gpointer pid_callback_data,
+ gint stdin_fd,
+ gint stdout_fd,
+ gint stderr_fd,
GError **error)
{
gboolean completed = FALSE;
GList *old_uris;
+ GList *dup_uris;
+
char **argv, **envp;
int argc;
- ChildSetupData data;
g_return_val_if_fail (info != NULL, FALSE);
else
envp = g_get_environ ();
+ /* The GList* passed to expand_application_parameters() will be modified
+ * internally by expand_macro(), so we need to pass a copy of it instead,
+ * and also use that copy to control the exit condition of the loop below.
+ */
+ dup_uris = uris;
do
{
GPid pid;
GList *launched_uris;
GList *iter;
- char *display, *sn_id = NULL;
+ char *sn_id = NULL;
+ char **wrapped_argv;
+ int i;
- old_uris = uris;
- if (!expand_application_parameters (info, exec_line, &uris, &argc, &argv, error))
+ old_uris = dup_uris;
+ if (!expand_application_parameters (info, exec_line, &dup_uris, &argc, &argv, error))
goto out;
/* Get the subset of URIs we're launching with this process */
launched_uris = NULL;
- for (iter = old_uris; iter != NULL && iter != uris; iter = iter->next)
+ for (iter = old_uris; iter != NULL && iter != dup_uris; iter = iter->next)
launched_uris = g_list_prepend (launched_uris, iter->data);
launched_uris = g_list_reverse (launched_uris);
goto out;
}
- data.user_setup = user_setup;
- data.user_setup_data = user_setup_data;
-
if (info->filename)
- {
- envp = g_environ_setenv (envp,
- "GIO_LAUNCHED_DESKTOP_FILE",
- info->filename,
- TRUE);
- envp = g_environ_setenv (envp,
- "GIO_LAUNCHED_DESKTOP_FILE_PID",
- "XXXXXXXXXXXXXXXXXXXX", /* filled in child_setup */
- TRUE);
- data.pid_envvar = (char *)g_environ_getenv (envp, "GIO_LAUNCHED_DESKTOP_FILE_PID");
- }
- else
- {
- data.pid_envvar = NULL;
- }
+ envp = g_environ_setenv (envp,
+ "GIO_LAUNCHED_DESKTOP_FILE",
+ info->filename,
+ TRUE);
- display = NULL;
sn_id = NULL;
if (launch_context)
{
GList *launched_files = create_files_for_uris (launched_uris);
- display = g_app_launch_context_get_display (launch_context,
- G_APP_INFO (info),
- launched_files);
- if (display)
- envp = g_environ_setenv (envp, "DISPLAY", display, TRUE);
-
if (info->startup_notify)
{
sn_id = g_app_launch_context_get_startup_notify_id (launch_context,
G_APP_INFO (info),
launched_files);
if (sn_id)
- {
- envp = g_environ_setenv (envp, "DESKTOP_STARTUP_ID", sn_id, TRUE);
- g_free (sn_id);
- }
+ envp = g_environ_setenv (envp, "DESKTOP_STARTUP_ID", sn_id, TRUE);
}
g_list_free_full (launched_files, g_object_unref);
+
+ emit_launch_started (launch_context, info, sn_id);
+ }
+
+ if (g_once_init_enter (&gio_launch_desktop_path))
+ {
+ const gchar *tmp = NULL;
+ gboolean is_setuid = GLIB_PRIVATE_CALL (g_check_setuid) ();
+
+ /* Allow test suite to specify path to gio-launch-desktop */
+ if (!is_setuid)
+ tmp = g_getenv ("GIO_LAUNCH_DESKTOP");
+
+ /* Allow build system to specify path to gio-launch-desktop */
+ if (tmp == NULL && g_file_test (GIO_LAUNCH_DESKTOP, G_FILE_TEST_IS_EXECUTABLE))
+ tmp = GIO_LAUNCH_DESKTOP;
+
+ /* Fall back on usual searching in $PATH */
+ if (tmp == NULL)
+ tmp = "gio-launch-desktop";
+ g_once_init_leave (&gio_launch_desktop_path, tmp);
}
- if (!g_spawn_async (info->path,
- argv,
- envp,
- spawn_flags,
- child_setup,
- &data,
- &pid,
- error))
+ wrapped_argv = g_new (char *, argc + 2);
+ wrapped_argv[0] = g_strdup (gio_launch_desktop_path);
+
+ for (i = 0; i < argc; i++)
+ wrapped_argv[i + 1] = g_steal_pointer (&argv[i]);
+
+ wrapped_argv[i + 1] = NULL;
+ g_free (argv);
+ argv = NULL;
+
+ if (!g_spawn_async_with_fds (info->path,
+ wrapped_argv,
+ envp,
+ spawn_flags,
+ user_setup,
+ user_setup_data,
+ &pid,
+ stdin_fd,
+ stdout_fd,
+ stderr_fd,
+ error))
{
if (sn_id)
g_app_launch_context_launch_failed (launch_context, sn_id);
- g_free (display);
g_free (sn_id);
g_list_free (launched_uris);
notify_desktop_launch (session_bus,
info,
pid,
- display,
+ NULL,
sn_id,
launched_uris);
- g_free (display);
g_free (sn_id);
g_list_free (launched_uris);
- g_strfreev (argv);
- argv = NULL;
+ g_strfreev (wrapped_argv);
+ wrapped_argv = NULL;
}
- while (uris != NULL);
+ while (dup_uris != NULL);
completed = TRUE;
}
static gchar *
-object_path_from_appid (const gchar *app_id)
+object_path_from_appid (const gchar *appid)
{
- gchar *path;
- gint i, n;
+ gchar *appid_path, *iter;
- n = strlen (app_id);
- path = g_malloc (n + 2);
-
- path[0] = '/';
-
- for (i = 0; i < n; i++)
- if (app_id[i] != '.')
- path[i + 1] = app_id[i];
- else
- path[i + 1] = '/';
+ appid_path = g_strconcat ("/", appid, NULL);
+ for (iter = appid_path; *iter; iter++)
+ {
+ if (*iter == '.')
+ *iter = '/';
- path[i + 1] = '\0';
+ if (*iter == '-')
+ *iter = '_';
+ }
- return path;
+ return appid_path;
}
static GVariant *
return g_variant_builder_end (&builder);
}
-static gboolean
-g_desktop_app_info_launch_uris_with_dbus (GDesktopAppInfo *info,
- GDBusConnection *session_bus,
- GList *uris,
- GAppLaunchContext *launch_context)
+typedef struct
+{
+ GDesktopAppInfo *info; /* (owned) */
+ GAppLaunchContext *launch_context; /* (owned) (nullable) */
+ GAsyncReadyCallback callback;
+ gchar *startup_id; /* (owned) */
+ gpointer user_data;
+} LaunchUrisWithDBusData;
+
+static void
+launch_uris_with_dbus_data_free (LaunchUrisWithDBusData *data)
{
+ g_clear_object (&data->info);
+ g_clear_object (&data->launch_context);
+ g_free (data->startup_id);
+
+ g_free (data);
+}
+
+static void
+launch_uris_with_dbus_signal_cb (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ LaunchUrisWithDBusData *data = user_data;
GVariantBuilder builder;
- gchar *object_path;
- g_return_val_if_fail (info != NULL, FALSE);
+ if (data->launch_context)
+ {
+ if (g_task_had_error (G_TASK (result)))
+ g_app_launch_context_launch_failed (data->launch_context, data->startup_id);
+ else
+ {
+ GVariant *platform_data;
+
+ g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
+ /* the docs guarantee `pid` will be set, but we can’t
+ * easily know it for a D-Bus process, so set it to zero */
+ g_variant_builder_add (&builder, "{sv}", "pid", g_variant_new_int32 (0));
+ if (data->startup_id)
+ g_variant_builder_add (&builder, "{sv}",
+ "startup-notification-id",
+ g_variant_new_string (data->startup_id));
+ platform_data = g_variant_ref_sink (g_variant_builder_end (&builder));
+ g_signal_emit_by_name (data->launch_context,
+ "launched",
+ data->info,
+ platform_data);
+ g_variant_unref (platform_data);
+ }
+ }
+
+ if (data->callback)
+ data->callback (object, result, data->user_data);
+
+ launch_uris_with_dbus_data_free (data);
+}
+
+static void
+launch_uris_with_dbus (GDesktopAppInfo *info,
+ GDBusConnection *session_bus,
+ GList *uris,
+ GAppLaunchContext *launch_context,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GVariant *platform_data;
+ GVariantBuilder builder;
+ GVariantDict dict;
+ gchar *object_path;
+ LaunchUrisWithDBusData *data;
g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE);
g_variant_builder_close (&builder);
}
- g_variant_builder_add_value (&builder, g_desktop_app_info_make_platform_data (info, uris, launch_context));
+ platform_data = g_desktop_app_info_make_platform_data (info, uris, launch_context);
- /* This is non-blocking API. Similar to launching via fork()/exec()
- * we don't wait around to see if the program crashed during startup.
- * This is what startup-notification's job is...
- */
+ g_variant_builder_add_value (&builder, platform_data);
object_path = object_path_from_appid (info->app_id);
+
+ data = g_new0 (LaunchUrisWithDBusData, 1);
+ data->info = g_object_ref (info);
+ data->callback = callback;
+ data->user_data = user_data;
+ data->launch_context = launch_context ? g_object_ref (launch_context) : NULL;
+ g_variant_dict_init (&dict, platform_data);
+ g_variant_dict_lookup (&dict, "desktop-startup-id", "s", &data->startup_id);
+
+ if (launch_context)
+ emit_launch_started (launch_context, info, data->startup_id);
+
g_dbus_connection_call (session_bus, info->app_id, object_path, "org.freedesktop.Application",
uris ? "Open" : "Activate", g_variant_builder_end (&builder),
- NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
+ NULL, G_DBUS_CALL_FLAGS_NONE, -1,
+ cancellable, launch_uris_with_dbus_signal_cb, g_steal_pointer (&data));
g_free (object_path);
+ g_variant_dict_clear (&dict);
+}
+
+static gboolean
+g_desktop_app_info_launch_uris_with_dbus (GDesktopAppInfo *info,
+ GDBusConnection *session_bus,
+ GList *uris,
+ GAppLaunchContext *launch_context,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GList *ruris = uris;
+ char *app_id = NULL;
+
+ g_return_val_if_fail (info != NULL, FALSE);
+
+#ifdef G_OS_UNIX
+ app_id = g_desktop_app_info_get_string (info, "X-Flatpak");
+ if (app_id && *app_id)
+ {
+ ruris = g_document_portal_add_documents (uris, app_id, NULL);
+ if (ruris == NULL)
+ ruris = uris;
+ }
+#endif
+
+ launch_uris_with_dbus (info, session_bus, ruris, launch_context,
+ cancellable, callback, user_data);
+
+ if (ruris != uris)
+ g_list_free_full (ruris, g_free);
+
+ g_free (app_id);
+
return TRUE;
}
gpointer user_setup_data,
GDesktopAppLaunchCallback pid_callback,
gpointer pid_callback_data,
+ gint stdin_fd,
+ gint stdout_fd,
+ gint stderr_fd,
GError **error)
{
GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
if (session_bus && info->app_id)
- g_desktop_app_info_launch_uris_with_dbus (info, session_bus, uris, launch_context);
+ /* This is non-blocking API. Similar to launching via fork()/exec()
+ * we don't wait around to see if the program crashed during startup.
+ * This is what startup-notification's job is...
+ */
+ g_desktop_app_info_launch_uris_with_dbus (info, session_bus, uris, launch_context,
+ NULL, NULL, NULL);
else
success = g_desktop_app_info_launch_uris_with_spawn (info, session_bus, info->exec, uris, launch_context,
spawn_flags, user_setup, user_setup_data,
- pid_callback, pid_callback_data, error);
+ pid_callback, pid_callback_data,
+ stdin_fd, stdout_fd, stderr_fd, error);
if (session_bus != NULL)
{
launch_context,
_SPAWN_FLAGS_DEFAULT,
NULL, NULL, NULL, NULL,
+ -1, -1, -1,
error);
}
+typedef struct
+{
+ GAppInfo *appinfo;
+ GList *uris;
+ GAppLaunchContext *context;
+} LaunchUrisData;
+
+static void
+launch_uris_data_free (LaunchUrisData *data)
+{
+ g_clear_object (&data->context);
+ g_list_free_full (data->uris, g_free);
+ g_free (data);
+}
+
+static void
+launch_uris_with_dbus_cb (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GTask *task = G_TASK (user_data);
+ GError *error = NULL;
+
+ g_dbus_connection_call_finish (G_DBUS_CONNECTION (object), result, &error);
+ if (error != NULL)
+ {
+ g_dbus_error_strip_remote_error (error);
+ g_task_return_error (task, g_steal_pointer (&error));
+ }
+ else
+ g_task_return_boolean (task, TRUE);
+
+ g_object_unref (task);
+}
+
+static void
+launch_uris_flush_cb (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GTask *task = G_TASK (user_data);
+
+ g_dbus_connection_flush_finish (G_DBUS_CONNECTION (object), result, NULL);
+ g_task_return_boolean (task, TRUE);
+ g_object_unref (task);
+}
+
+static void
+launch_uris_bus_get_cb (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GTask *task = G_TASK (user_data);
+ GDesktopAppInfo *info = G_DESKTOP_APP_INFO (g_task_get_source_object (task));
+ LaunchUrisData *data = g_task_get_task_data (task);
+ GCancellable *cancellable = g_task_get_cancellable (task);
+ GDBusConnection *session_bus;
+ GError *error = NULL;
+
+ session_bus = g_bus_get_finish (result, NULL);
+
+ if (session_bus && info->app_id)
+ {
+ /* FIXME: The g_document_portal_add_documents() function, which is called
+ * from the g_desktop_app_info_launch_uris_with_dbus() function, still
+ * uses blocking calls.
+ */
+ g_desktop_app_info_launch_uris_with_dbus (info, session_bus,
+ data->uris, data->context,
+ cancellable,
+ launch_uris_with_dbus_cb,
+ g_steal_pointer (&task));
+ }
+ else
+ {
+ /* FIXME: The D-Bus message from the notify_desktop_launch() function
+ * can be still lost even if flush is called later. See:
+ * https://gitlab.freedesktop.org/dbus/dbus/issues/72
+ */
+ g_desktop_app_info_launch_uris_with_spawn (info, session_bus, info->exec,
+ data->uris, data->context,
+ _SPAWN_FLAGS_DEFAULT, NULL,
+ NULL, NULL, NULL, -1, -1, -1,
+ &error);
+ if (error != NULL)
+ {
+ g_task_return_error (task, g_steal_pointer (&error));
+ g_object_unref (task);
+ }
+ else if (session_bus)
+ g_dbus_connection_flush (session_bus,
+ cancellable,
+ launch_uris_flush_cb,
+ g_steal_pointer (&task));
+ else
+ {
+ g_task_return_boolean (task, TRUE);
+ g_clear_object (&task);
+ }
+ }
+
+ g_clear_object (&session_bus);
+}
+
+static void
+g_desktop_app_info_launch_uris_async (GAppInfo *appinfo,
+ GList *uris,
+ GAppLaunchContext *context,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GTask *task;
+ LaunchUrisData *data;
+
+ task = g_task_new (appinfo, cancellable, callback, user_data);
+ g_task_set_source_tag (task, g_desktop_app_info_launch_uris_async);
+
+ data = g_new0 (LaunchUrisData, 1);
+ data->uris = g_list_copy_deep (uris, (GCopyFunc) g_strdup, NULL);
+ data->context = (context != NULL) ? g_object_ref (context) : NULL;
+ g_task_set_task_data (task, g_steal_pointer (&data), (GDestroyNotify) launch_uris_data_free);
+
+ g_bus_get (G_BUS_TYPE_SESSION, cancellable, launch_uris_bus_get_cb, task);
+}
+
+static gboolean
+g_desktop_app_info_launch_uris_finish (GAppInfo *appinfo,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (result, appinfo), FALSE);
+
+ return g_task_propagate_boolean (G_TASK (result), error);
+}
+
static gboolean
g_desktop_app_info_supports_uris (GAppInfo *appinfo)
{
}
/**
+ * g_desktop_app_info_launch_uris_as_manager_with_fds:
+ * @appinfo: a #GDesktopAppInfo
+ * @uris: (element-type utf8): List of URIs
+ * @launch_context: (nullable): a #GAppLaunchContext
+ * @spawn_flags: #GSpawnFlags, used for each process
+ * @user_setup: (scope async) (nullable): a #GSpawnChildSetupFunc, used once
+ * for each process.
+ * @user_setup_data: (closure user_setup) (nullable): User data for @user_setup
+ * @pid_callback: (scope call) (nullable): Callback for child processes
+ * @pid_callback_data: (closure pid_callback) (nullable): User data for @callback
+ * @stdin_fd: file descriptor to use for child's stdin, or -1
+ * @stdout_fd: file descriptor to use for child's stdout, or -1
+ * @stderr_fd: file descriptor to use for child's stderr, or -1
+ * @error: return location for a #GError, or %NULL
+ *
+ * Equivalent to g_desktop_app_info_launch_uris_as_manager() but allows
+ * you to pass in file descriptors for the stdin, stdout and stderr streams
+ * of the launched process.
+ *
+ * If application launching occurs via some non-spawn mechanism (e.g. D-Bus
+ * activation) then @stdin_fd, @stdout_fd and @stderr_fd are ignored.
+ *
+ * Returns: %TRUE on successful launch, %FALSE otherwise.
+ *
+ * Since: 2.58
+ */
+gboolean
+g_desktop_app_info_launch_uris_as_manager_with_fds (GDesktopAppInfo *appinfo,
+ GList *uris,
+ GAppLaunchContext *launch_context,
+ GSpawnFlags spawn_flags,
+ GSpawnChildSetupFunc user_setup,
+ gpointer user_setup_data,
+ GDesktopAppLaunchCallback pid_callback,
+ gpointer pid_callback_data,
+ gint stdin_fd,
+ gint stdout_fd,
+ gint stderr_fd,
+ GError **error)
+{
+ return g_desktop_app_info_launch_uris_internal ((GAppInfo*)appinfo,
+ uris,
+ launch_context,
+ spawn_flags,
+ user_setup,
+ user_setup_data,
+ pid_callback,
+ pid_callback_data,
+ stdin_fd,
+ stdout_fd,
+ stderr_fd,
+ error);
+}
+
+/**
* g_desktop_app_info_launch_uris_as_manager:
* @appinfo: a #GDesktopAppInfo
* @uris: (element-type utf8): List of URIs
- * @launch_context: (allow-none): a #GAppLaunchContext
+ * @launch_context: (nullable): a #GAppLaunchContext
* @spawn_flags: #GSpawnFlags, used for each process
- * @user_setup: (scope call) (allow-none): a #GSpawnChildSetupFunc, used once
+ * @user_setup: (scope async) (nullable): a #GSpawnChildSetupFunc, used once
* for each process.
- * @user_setup_data: (closure user_setup) (allow-none): User data for @user_setup
- * @pid_callback: (scope call) (allow-none): Callback for child processes
- * @pid_callback_data: (closure pid_callback) (allow-none): User data for @callback
+ * @user_setup_data: (closure user_setup) (nullable): User data for @user_setup
+ * @pid_callback: (scope call) (nullable): Callback for child processes
+ * @pid_callback_data: (closure pid_callback) (nullable): User data for @callback
* @error: return location for a #GError, or %NULL
*
* This function performs the equivalent of g_app_info_launch_uris(),
* launch applications. Ordinary applications should use
* g_app_info_launch_uris().
*
- * If the application is launched via traditional UNIX fork()/exec()
- * then @spawn_flags, @user_setup and @user_setup_data are used for the
- * call to g_spawn_async(). Additionally, @pid_callback (with
- * @pid_callback_data) will be called to inform about the PID of the
- * created process.
+ * If the application is launched via GSpawn, then @spawn_flags, @user_setup
+ * and @user_setup_data are used for the call to g_spawn_async().
+ * Additionally, @pid_callback (with @pid_callback_data) will be called to
+ * inform about the PID of the created process. See g_spawn_async_with_pipes()
+ * for information on certain parameter conditions that can enable an
+ * optimized posix_spawn() codepath to be used.
*
* If application launching occurs via some other mechanism (eg: D-Bus
* activation) then @spawn_flags, @user_setup, @user_setup_data,
gpointer pid_callback_data,
GError **error)
{
- return g_desktop_app_info_launch_uris_internal ((GAppInfo*)appinfo,
- uris,
- launch_context,
- spawn_flags,
- user_setup,
- user_setup_data,
- pid_callback,
- pid_callback_data,
- error);
+ return g_desktop_app_info_launch_uris_as_manager_with_fds (appinfo,
+ uris,
+ launch_context,
+ spawn_flags,
+ user_setup,
+ user_setup_data,
+ pid_callback,
+ pid_callback_data,
+ -1, -1, -1,
+ error);
}
/* OnlyShowIn API support {{{2 */
* `OnlyShowIn` and `NotShowIn`
* desktop entry fields.
*
- * The
- * [Desktop Menu specification](http://standards.freedesktop.org/menu-spec/latest/)
- * recognizes the following:
- * - GNOME
- * - KDE
- * - ROX
- * - XFCE
- * - LXDE
- * - Unity
- * - Old
- *
* Should be called only once; subsequent calls are ignored.
+ *
+ * Deprecated:2.42:do not use this API. Since 2.42 the value of the
+ * `XDG_CURRENT_DESKTOP` environment variable will be used.
*/
void
g_desktop_app_info_set_desktop_env (const gchar *desktop_env)
{
- G_LOCK (g_desktop_env);
- if (!g_desktop_env)
- g_desktop_env = g_strdup (desktop_env);
- G_UNLOCK (g_desktop_env);
+ get_current_desktops (desktop_env);
}
static gboolean
/* mime types/default apps support {{{2 */
typedef enum {
+ CONF_DIR,
APP_DIR,
MIMETYPE_DIR
} DirType;
char *path, *display_name;
int errsv;
- if (type == APP_DIR)
- path = g_build_filename (g_get_user_data_dir (), "applications", NULL);
- else
- path = g_build_filename (g_get_user_data_dir (), "mime", "packages", NULL);
+ switch (type)
+ {
+ case CONF_DIR:
+ path = g_build_filename (g_get_user_config_dir (), NULL);
+ break;
+
+ case APP_DIR:
+ path = g_build_filename (g_get_user_data_dir (), "applications", NULL);
+ break;
+
+ case MIMETYPE_DIR:
+ path = g_build_filename (g_get_user_data_dir (), "mime", "packages", NULL);
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ g_debug ("%s: Ensuring %s", G_STRFUNC, path);
errno = 0;
if (g_mkdir_with_parents (path, 0700) == 0)
display_name = g_filename_display_name (path);
if (type == APP_DIR)
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
- _("Can't create user application configuration folder %s: %s"),
+ _("Can’t create user application configuration folder %s: %s"),
display_name, g_strerror (errsv));
else
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
- _("Can't create user MIME configuration folder %s: %s"),
+ _("Can’t create user MIME configuration folder %s: %s"),
display_name, g_strerror (errsv));
g_free (display_name);
g_assert (!((flags & UPDATE_MIME_SET_DEFAULT) &&
(flags & UPDATE_MIME_SET_NON_DEFAULT)));
- dirname = ensure_dir (APP_DIR, error);
+ dirname = ensure_dir (CONF_DIR, error);
if (!dirname)
return FALSE;
data = g_key_file_to_data (key_file, &data_size, error);
g_key_file_free (key_file);
- res = g_file_set_contents (filename, data, data_size, error);
+ res = g_file_set_contents_full (filename, data, data_size,
+ G_FILE_SET_CONTENTS_CONSISTENT | G_FILE_SET_CONTENTS_ONLY_EXISTING,
+ 0600, error);
- mime_info_cache_reload (NULL);
+ desktop_file_dirs_invalidate_user_config ();
g_free (filename);
g_free (data);
gpointer data)
{
/* Did the application exit correctly */
- if (g_spawn_check_exit_status (status, NULL))
+ if (g_spawn_check_wait_status (status, NULL))
{
/* Here we could clean out any caches in use */
}
* chance of debugging it.
*/
g_warning ("%s", error->message);
+ g_error_free (error);
}
g_free (argv[1]);
" </mime-type>\n"
"</mime-info>\n", mimetype, extension, extension);
- g_file_set_contents (filename, contents, -1, NULL);
+ g_file_set_contents_full (filename, contents, -1,
+ G_FILE_SET_CONTENTS_CONSISTENT | G_FILE_SET_CONTENTS_ONLY_EXISTING,
+ 0600, NULL);
g_free (contents);
run_update_command ("update-mime-database", "mime");
display_name = g_filename_display_name (filename);
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
- _("Can't create user desktop file %s"), display_name);
+ _("Can’t create user desktop file %s"), display_name);
g_free (display_name);
g_free (filename);
g_free (data);
/* FIXME - actually handle error */
(void) g_close (fd, NULL);
- res = g_file_set_contents (filename, data, data_size, error);
+ res = g_file_set_contents_full (filename, data, data_size,
+ G_FILE_SET_CONTENTS_CONSISTENT | G_FILE_SET_CONTENTS_ONLY_EXISTING,
+ 0600, error);
g_free (data);
if (!res)
{
* This means that calls directly following this will be able to see
* the results immediately.
*/
- desktop_file_dirs_invalidate_user ();
+ desktop_file_dirs_invalidate_user_data ();
return TRUE;
}
/* Create for commandline {{{2 */
/**
* g_app_info_create_from_commandline:
- * @commandline: the commandline to use
- * @application_name: (allow-none): the application name, or %NULL to use @commandline
+ * @commandline: (type filename): the commandline to use
+ * @application_name: (nullable): the application name, or %NULL to use @commandline
* @flags: flags that can specify details of the created #GAppInfo
* @error: a #GError location to store the error occurring, %NULL to ignore.
*
iface->supports_uris = g_desktop_app_info_supports_uris;
iface->supports_files = g_desktop_app_info_supports_files;
iface->launch_uris = g_desktop_app_info_launch_uris;
+ iface->launch_uris_async = g_desktop_app_info_launch_uris_async;
+ iface->launch_uris_finish = g_desktop_app_info_launch_uris_finish;
iface->should_show = g_desktop_app_info_should_show;
iface->set_as_default_for_type = g_desktop_app_info_set_as_default_for_type;
iface->set_as_default_for_extension = g_desktop_app_info_set_as_default_for_extension;
/* Recommended applications {{{2 */
-static gboolean
-app_info_in_list (GAppInfo *info,
- GList *list)
+/* Converts content_type into a list of itself with all of its parent
+ * types (if include_fallback is enabled) or just returns a single-item
+ * list with the unaliased content type.
+ */
+static gchar **
+get_list_of_mimetypes (const gchar *content_type,
+ gboolean include_fallback)
{
- while (list != NULL)
+ gchar *unaliased;
+ GPtrArray *array;
+
+ array = g_ptr_array_new ();
+ unaliased = _g_unix_content_type_unalias (content_type);
+ g_ptr_array_add (array, unaliased);
+
+ if (include_fallback)
{
- if (g_app_info_equal (info, list->data))
- return TRUE;
- list = list->next;
+ guint i;
+
+ /* Iterate the array as we grow it, until we have nothing more to add */
+ for (i = 0; i < array->len; i++)
+ {
+ gchar **parents = _g_unix_content_type_get_parents (g_ptr_array_index (array, i));
+ gint j;
+
+ for (j = 0; parents[j]; j++)
+ /* Don't add duplicates */
+ if (!array_contains (array, parents[j]))
+ g_ptr_array_add (array, parents[j]);
+ else
+ g_free (parents[j]);
+
+ /* We already stole or freed each element. Free the container. */
+ g_free (parents);
+ }
}
- return FALSE;
+
+ g_ptr_array_add (array, NULL);
+
+ return (gchar **) g_ptr_array_free (array, FALSE);
+}
+
+static gchar **
+g_desktop_app_info_get_desktop_ids_for_content_type (const gchar *content_type,
+ gboolean include_fallback)
+{
+ GPtrArray *hits, *blocklist;
+ gchar **types;
+ guint i, j;
+
+ hits = g_ptr_array_new ();
+ blocklist = g_ptr_array_new ();
+
+ types = get_list_of_mimetypes (content_type, include_fallback);
+
+ desktop_file_dirs_lock ();
+
+ for (i = 0; types[i]; i++)
+ for (j = 0; j < desktop_file_dirs->len; j++)
+ desktop_file_dir_mime_lookup (g_ptr_array_index (desktop_file_dirs, j), types[i], hits, blocklist);
+
+ /* We will keep the hits past unlocking, so we must dup them */
+ for (i = 0; i < hits->len; i++)
+ hits->pdata[i] = g_strdup (hits->pdata[i]);
+
+ desktop_file_dirs_unlock ();
+
+ g_ptr_array_add (hits, NULL);
+
+ g_ptr_array_free (blocklist, TRUE);
+ g_strfreev (types);
+
+ return (gchar **) g_ptr_array_free (hits, FALSE);
}
/**
GList *
g_app_info_get_recommended_for_type (const gchar *content_type)
{
- GList *desktop_entries, *l;
+ gchar **desktop_ids;
GList *infos;
- GDesktopAppInfo *info;
+ gint i;
g_return_val_if_fail (content_type != NULL, NULL);
- desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, FALSE, NULL);
+ desktop_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, FALSE);
infos = NULL;
- for (l = desktop_entries; l != NULL; l = l->next)
+ for (i = 0; desktop_ids[i]; i++)
{
- char *desktop_entry = l->data;
+ GDesktopAppInfo *info;
- info = g_desktop_app_info_new (desktop_entry);
+ info = g_desktop_app_info_new (desktop_ids[i]);
if (info)
- {
- if (app_info_in_list (G_APP_INFO (info), infos))
- g_object_unref (info);
- else
- infos = g_list_prepend (infos, info);
- }
- g_free (desktop_entry);
+ infos = g_list_prepend (infos, info);
}
- g_list_free (desktop_entries);
+ g_strfreev (desktop_ids);
return g_list_reverse (infos);
}
GList *
g_app_info_get_fallback_for_type (const gchar *content_type)
{
- GList *desktop_entries, *l;
- GList *infos, *recommended_infos;
- GDesktopAppInfo *info;
+ gchar **recommended_ids;
+ gchar **all_ids;
+ GList *infos;
+ gint i;
g_return_val_if_fail (content_type != NULL, NULL);
- desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, NULL);
- recommended_infos = g_app_info_get_recommended_for_type (content_type);
+ recommended_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, FALSE);
+ all_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, TRUE);
infos = NULL;
- for (l = desktop_entries; l != NULL; l = l->next)
+ for (i = 0; all_ids[i]; i++)
{
- char *desktop_entry = l->data;
+ GDesktopAppInfo *info;
+ gint j;
+
+ /* Don't return the ones on the recommended list */
+ for (j = 0; recommended_ids[j]; j++)
+ if (g_str_equal (all_ids[i], recommended_ids[j]))
+ break;
+
+ if (recommended_ids[j])
+ continue;
+
+ info = g_desktop_app_info_new (all_ids[i]);
- info = g_desktop_app_info_new (desktop_entry);
if (info)
- {
- if (app_info_in_list (G_APP_INFO (info), infos) ||
- app_info_in_list (G_APP_INFO (info), recommended_infos))
- g_object_unref (info);
- else
- infos = g_list_prepend (infos, info);
- }
- g_free (desktop_entry);
+ infos = g_list_prepend (infos, info);
}
- g_list_free (desktop_entries);
- g_list_free_full (recommended_infos, g_object_unref);
+ g_strfreev (recommended_ids);
+ g_strfreev (all_ids);
return g_list_reverse (infos);
}
GList *
g_app_info_get_all_for_type (const char *content_type)
{
- GList *desktop_entries, *l;
+ gchar **desktop_ids;
GList *infos;
- char *user_default = NULL;
- GDesktopAppInfo *info;
+ gint i;
g_return_val_if_fail (content_type != NULL, NULL);
- desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, &user_default);
- infos = NULL;
-
- /* put the user default in front of the list, for compatibility */
- if (user_default != NULL)
- {
- info = g_desktop_app_info_new (user_default);
-
- if (info != NULL)
- infos = g_list_prepend (infos, info);
- }
+ desktop_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, TRUE);
- g_free (user_default);
-
- for (l = desktop_entries; l != NULL; l = l->next)
+ infos = NULL;
+ for (i = 0; desktop_ids[i]; i++)
{
- char *desktop_entry = l->data;
+ GDesktopAppInfo *info;
- info = g_desktop_app_info_new (desktop_entry);
+ info = g_desktop_app_info_new (desktop_ids[i]);
if (info)
- {
- if (app_info_in_list (G_APP_INFO (info), infos))
- g_object_unref (info);
- else
- infos = g_list_prepend (infos, info);
- }
- g_free (desktop_entry);
+ infos = g_list_prepend (infos, info);
}
- g_list_free (desktop_entries);
+ g_strfreev (desktop_ids);
return g_list_reverse (infos);
}
*
* Gets the default #GAppInfo for a given content type.
*
- * Returns: (transfer full): #GAppInfo for given @content_type or
+ * Returns: (transfer full) (nullable): #GAppInfo for given @content_type or
* %NULL on error.
*/
GAppInfo *
g_app_info_get_default_for_type (const char *content_type,
gboolean must_support_uris)
{
- GList *desktop_entries, *l;
- char *user_default = NULL;
+ GPtrArray *blocklist;
+ GPtrArray *results;
GAppInfo *info;
+ gchar **types;
+ guint i, j, k;
g_return_val_if_fail (content_type != NULL, NULL);
- desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, &user_default);
+ types = get_list_of_mimetypes (content_type, TRUE);
+ blocklist = g_ptr_array_new ();
+ results = g_ptr_array_new ();
info = NULL;
- if (user_default != NULL)
+ desktop_file_dirs_lock ();
+
+ for (i = 0; types[i]; i++)
{
- info = (GAppInfo *) g_desktop_app_info_new (user_default);
+ /* Collect all the default apps for this type */
+ for (j = 0; j < desktop_file_dirs->len; j++)
+ desktop_file_dir_default_lookup (g_ptr_array_index (desktop_file_dirs, j), types[i], results);
- if (info)
+ /* Consider the associations as well... */
+ for (j = 0; j < desktop_file_dirs->len; j++)
+ desktop_file_dir_mime_lookup (g_ptr_array_index (desktop_file_dirs, j), types[i], results, blocklist);
+
+ /* (If any), see if one of those apps is installed... */
+ for (j = 0; j < results->len; j++)
{
- if (must_support_uris && !g_app_info_supports_uris (info))
+ const gchar *desktop_id = g_ptr_array_index (results, j);
+
+ for (k = 0; k < desktop_file_dirs->len; k++)
{
- g_object_unref (info);
- info = NULL;
+ info = (GAppInfo *) desktop_file_dir_get_app (g_ptr_array_index (desktop_file_dirs, k), desktop_id);
+
+ if (info)
+ {
+ if (!must_support_uris || g_app_info_supports_uris (info))
+ goto out;
+
+ g_clear_object (&info);
+ }
}
}
+
+ /* Reset the list, ready to try again with the next (parent)
+ * mimetype, but keep the blocklist in place.
+ */
+ g_ptr_array_set_size (results, 0);
}
- g_free (user_default);
+out:
+ desktop_file_dirs_unlock ();
- if (info != NULL)
- {
- g_list_free_full (desktop_entries, g_free);
- return info;
- }
+ g_ptr_array_unref (blocklist);
+ g_ptr_array_unref (results);
+ g_strfreev (types);
- /* pick the first from the other list that matches our URI
- * requirements.
- */
- for (l = desktop_entries; l != NULL; l = l->next)
- {
- char *desktop_entry = l->data;
-
- info = (GAppInfo *)g_desktop_app_info_new (desktop_entry);
- if (info)
- {
- if (must_support_uris && !g_app_info_supports_uris (info))
- {
- g_object_unref (info);
- info = NULL;
- }
- else
- break;
- }
- }
-
- g_list_free_full (desktop_entries, g_free);
-
- return info;
-}
+ return info;
+}
/**
* g_app_info_get_default_for_uri_scheme:
* of the URI, up to but not including the ':', e.g. "http",
* "ftp" or "sip".
*
- * Returns: (transfer full): #GAppInfo for given @uri_scheme or %NULL on error.
+ * Returns: (transfer full) (nullable): #GAppInfo for given @uri_scheme or
+ * %NULL on error.
*/
GAppInfo *
g_app_info_get_default_for_uri_scheme (const char *uri_scheme)
GAppInfo *app_info;
char *content_type, *scheme_down;
+ g_return_val_if_fail (uri_scheme != NULL && *uri_scheme != '\0', NULL);
+
scheme_down = g_ascii_strdown (uri_scheme, -1);
content_type = g_strdup_printf ("x-scheme-handler/%s", scheme_down);
g_free (scheme_down);
/* "Get all" API {{{2 */
/**
+ * g_desktop_app_info_get_implementations:
+ * @interface: the name of the interface
+ *
+ * Gets all applications that implement @interface.
+ *
+ * An application implements an interface if that interface is listed in
+ * the Implements= line of the desktop file of the application.
+ *
+ * Returns: (element-type GDesktopAppInfo) (transfer full): a list of #GDesktopAppInfo
+ * objects.
+ *
+ * Since: 2.42
+ **/
+GList *
+g_desktop_app_info_get_implementations (const gchar *interface)
+{
+ GList *result = NULL;
+ GList **ptr;
+ guint i;
+
+ desktop_file_dirs_lock ();
+
+ for (i = 0; i < desktop_file_dirs->len; i++)
+ desktop_file_dir_get_implementations (g_ptr_array_index (desktop_file_dirs, i), &result, interface);
+
+ desktop_file_dirs_unlock ();
+
+ ptr = &result;
+ while (*ptr)
+ {
+ gchar *name = (*ptr)->data;
+ GDesktopAppInfo *app;
+
+ app = g_desktop_app_info_new (name);
+ g_free (name);
+
+ if (app)
+ {
+ (*ptr)->data = app;
+ ptr = &(*ptr)->next;
+ }
+ else
+ *ptr = g_list_delete_link (*ptr, *ptr);
+ }
+
+ return result;
+}
+
+/**
* g_desktop_app_info_search:
* @search_string: the search string to use
*
* The algorithm for determining matches is undefined and may change at
* any time.
*
+ * None of the search results are subjected to the normal validation
+ * checks performed by g_desktop_app_info_new() (for example, checking that
+ * the executable referenced by a result exists), and so it is possible for
+ * g_desktop_app_info_new() to return %NULL when passed an app ID returned by
+ * this function. It is expected that calling code will do this when
+ * subsequently creating a #GDesktopAppInfo for each result.
+ *
* Returns: (array zero-terminated=1) (element-type GStrv) (transfer full): a
* list of strvs. Free each item with g_strfreev() and free the outer
* list with g_free().
gint n_categories = 0;
gint start_of_category;
gint i, j;
+ guint k;
search_tokens = g_str_tokenize_and_fold (search_string, NULL, NULL);
reset_total_search_results ();
- for (i = 0; i < n_desktop_file_dirs; i++)
+ for (k = 0; k < desktop_file_dirs->len; k++)
{
for (j = 0; search_tokens[j]; j++)
{
- desktop_file_dir_search (&desktop_file_dirs[i], search_tokens[j]);
+ desktop_file_dir_search (g_ptr_array_index (desktop_file_dirs, k), search_tokens[j]);
merge_token_results (j == 0);
}
merge_directory_results ();
GHashTable *apps;
GHashTableIter iter;
gpointer value;
- int i;
+ guint i;
GList *infos;
apps = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
desktop_file_dirs_lock ();
- for (i = 0; i < n_desktop_file_dirs; i++)
- desktop_file_dir_get_all (&desktop_file_dirs[i], apps);
+ for (i = 0; i < desktop_file_dirs->len; i++)
+ desktop_file_dir_get_all (g_ptr_array_index (desktop_file_dirs, i), apps);
desktop_file_dirs_unlock ();
return infos;
}
-/* Caching of mimeinfo.cache and defaults.list files {{{2 */
-
-typedef struct {
- char *path;
- GHashTable *mime_info_cache_map;
- GHashTable *defaults_list_map;
- GHashTable *mimeapps_list_added_map;
- GHashTable *mimeapps_list_removed_map;
- GHashTable *mimeapps_list_defaults_map;
- time_t mime_info_cache_timestamp;
- time_t defaults_list_timestamp;
- time_t mimeapps_list_timestamp;
-} MimeInfoCacheDir;
-
-typedef struct {
- GList *dirs; /* mimeinfo.cache and defaults.list */
- time_t last_stat_time;
-} MimeInfoCache;
-
-static MimeInfoCache *mime_info_cache = NULL;
-G_LOCK_DEFINE_STATIC (mime_info_cache);
-
-static void mime_info_cache_dir_add_desktop_entries (MimeInfoCacheDir *dir,
- const char *mime_type,
- char **new_desktop_file_ids);
-
-static MimeInfoCache * mime_info_cache_new (void);
-
-static void
-destroy_info_cache_value (gpointer key,
- GList *value,
- gpointer data)
-{
- g_list_free_full (value, g_free);
-}
-
-static void
-destroy_info_cache_map (GHashTable *info_cache_map)
-{
- g_hash_table_foreach (info_cache_map, (GHFunc)destroy_info_cache_value, NULL);
- g_hash_table_destroy (info_cache_map);
-}
-
-static gboolean
-mime_info_cache_dir_out_of_date (MimeInfoCacheDir *dir,
- const char *cache_file,
- time_t *timestamp)
-{
- struct stat buf;
- char *filename;
-
- filename = g_build_filename (dir->path, cache_file, NULL);
-
- if (g_stat (filename, &buf) < 0)
- {
- g_free (filename);
- return TRUE;
- }
- g_free (filename);
-
- if (buf.st_mtime != *timestamp)
- return TRUE;
-
- return FALSE;
-}
-
-/* Call with lock held */
-static void
-mime_info_cache_dir_init (MimeInfoCacheDir *dir)
-{
- GError *load_error;
- GKeyFile *key_file;
- gchar *filename, **mime_types;
- int i;
- struct stat buf;
-
- load_error = NULL;
- mime_types = NULL;
-
- if (dir->mime_info_cache_map != NULL &&
- !mime_info_cache_dir_out_of_date (dir, "mimeinfo.cache",
- &dir->mime_info_cache_timestamp))
- return;
-
- if (dir->mime_info_cache_map != NULL)
- destroy_info_cache_map (dir->mime_info_cache_map);
-
- dir->mime_info_cache_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- (GDestroyNotify) g_free,
- NULL);
-
- key_file = g_key_file_new ();
-
- filename = g_build_filename (dir->path, "mimeinfo.cache", NULL);
-
- if (g_stat (filename, &buf) < 0)
- goto error;
-
- dir->mime_info_cache_timestamp = buf.st_mtime;
-
- g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error);
-
- g_free (filename);
- filename = NULL;
-
- if (load_error != NULL)
- goto error;
-
- mime_types = g_key_file_get_keys (key_file, MIME_CACHE_GROUP,
- NULL, &load_error);
-
- if (load_error != NULL)
- goto error;
-
- for (i = 0; mime_types[i] != NULL; i++)
- {
- gchar **desktop_file_ids;
- char *unaliased_type;
- desktop_file_ids = g_key_file_get_string_list (key_file,
- MIME_CACHE_GROUP,
- mime_types[i],
- NULL,
- NULL);
-
- if (desktop_file_ids == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- mime_info_cache_dir_add_desktop_entries (dir,
- unaliased_type,
- desktop_file_ids);
- g_free (unaliased_type);
-
- g_strfreev (desktop_file_ids);
- }
-
- g_strfreev (mime_types);
- g_key_file_free (key_file);
-
- return;
- error:
- g_free (filename);
- g_key_file_free (key_file);
-
- if (mime_types != NULL)
- g_strfreev (mime_types);
-
- if (load_error)
- g_error_free (load_error);
-}
-
-static void
-mime_info_cache_dir_init_defaults_list (MimeInfoCacheDir *dir)
-{
- GKeyFile *key_file;
- GError *load_error;
- gchar *filename, **mime_types;
- char *unaliased_type;
- char **desktop_file_ids;
- int i;
- struct stat buf;
-
- load_error = NULL;
- mime_types = NULL;
-
- if (dir->defaults_list_map != NULL &&
- !mime_info_cache_dir_out_of_date (dir, "defaults.list",
- &dir->defaults_list_timestamp))
- return;
-
- if (dir->defaults_list_map != NULL)
- g_hash_table_destroy (dir->defaults_list_map);
- dir->defaults_list_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, (GDestroyNotify)g_strfreev);
-
-
- key_file = g_key_file_new ();
-
- filename = g_build_filename (dir->path, "defaults.list", NULL);
- if (g_stat (filename, &buf) < 0)
- goto error;
-
- dir->defaults_list_timestamp = buf.st_mtime;
-
- g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error);
- g_free (filename);
- filename = NULL;
-
- if (load_error != NULL)
- goto error;
-
- mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP,
- NULL, NULL);
- if (mime_types != NULL)
- {
- for (i = 0; mime_types[i] != NULL; i++)
- {
- desktop_file_ids = g_key_file_get_string_list (key_file,
- DEFAULT_APPLICATIONS_GROUP,
- mime_types[i],
- NULL,
- NULL);
- if (desktop_file_ids == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- g_hash_table_replace (dir->defaults_list_map,
- unaliased_type,
- desktop_file_ids);
- }
-
- g_strfreev (mime_types);
- }
-
- g_key_file_free (key_file);
- return;
-
- error:
- g_free (filename);
- g_key_file_free (key_file);
-
- if (mime_types != NULL)
- g_strfreev (mime_types);
-
- if (load_error)
- g_error_free (load_error);
-}
-
-static void
-mime_info_cache_dir_init_mimeapps_list (MimeInfoCacheDir *dir)
-{
- GKeyFile *key_file;
- GError *load_error;
- gchar *filename, **mime_types;
- char *unaliased_type;
- char **desktop_file_ids;
- char *desktop_id;
- int i;
- struct stat buf;
-
- load_error = NULL;
- mime_types = NULL;
-
- if (dir->mimeapps_list_added_map != NULL &&
- !mime_info_cache_dir_out_of_date (dir, "mimeapps.list",
- &dir->mimeapps_list_timestamp))
- return;
-
- if (dir->mimeapps_list_added_map != NULL)
- g_hash_table_destroy (dir->mimeapps_list_added_map);
- dir->mimeapps_list_added_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, (GDestroyNotify)g_strfreev);
-
- if (dir->mimeapps_list_removed_map != NULL)
- g_hash_table_destroy (dir->mimeapps_list_removed_map);
- dir->mimeapps_list_removed_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, (GDestroyNotify)g_strfreev);
-
- if (dir->mimeapps_list_defaults_map != NULL)
- g_hash_table_destroy (dir->mimeapps_list_defaults_map);
- dir->mimeapps_list_defaults_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, g_free);
-
- key_file = g_key_file_new ();
-
- filename = g_build_filename (dir->path, "mimeapps.list", NULL);
- if (g_stat (filename, &buf) < 0)
- goto error;
-
- dir->mimeapps_list_timestamp = buf.st_mtime;
-
- g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error);
- g_free (filename);
- filename = NULL;
-
- if (load_error != NULL)
- goto error;
-
- mime_types = g_key_file_get_keys (key_file, ADDED_ASSOCIATIONS_GROUP,
- NULL, NULL);
- if (mime_types != NULL)
- {
- for (i = 0; mime_types[i] != NULL; i++)
- {
- desktop_file_ids = g_key_file_get_string_list (key_file,
- ADDED_ASSOCIATIONS_GROUP,
- mime_types[i],
- NULL,
- NULL);
- if (desktop_file_ids == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- g_hash_table_replace (dir->mimeapps_list_added_map,
- unaliased_type,
- desktop_file_ids);
- }
-
- g_strfreev (mime_types);
- }
-
- mime_types = g_key_file_get_keys (key_file, REMOVED_ASSOCIATIONS_GROUP,
- NULL, NULL);
- if (mime_types != NULL)
- {
- for (i = 0; mime_types[i] != NULL; i++)
- {
- desktop_file_ids = g_key_file_get_string_list (key_file,
- REMOVED_ASSOCIATIONS_GROUP,
- mime_types[i],
- NULL,
- NULL);
- if (desktop_file_ids == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- g_hash_table_replace (dir->mimeapps_list_removed_map,
- unaliased_type,
- desktop_file_ids);
- }
-
- g_strfreev (mime_types);
- }
-
- mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP,
- NULL, NULL);
- if (mime_types != NULL)
- {
- for (i = 0; mime_types[i] != NULL; i++)
- {
- desktop_id = g_key_file_get_string (key_file,
- DEFAULT_APPLICATIONS_GROUP,
- mime_types[i],
- NULL);
- if (desktop_id == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- g_hash_table_replace (dir->mimeapps_list_defaults_map,
- unaliased_type,
- desktop_id);
- }
-
- g_strfreev (mime_types);
- }
-
- g_key_file_free (key_file);
- return;
-
- error:
- g_free (filename);
- g_key_file_free (key_file);
-
- if (mime_types != NULL)
- g_strfreev (mime_types);
-
- if (load_error)
- g_error_free (load_error);
-}
-
-static MimeInfoCacheDir *
-mime_info_cache_dir_new (const char *path)
-{
- MimeInfoCacheDir *dir;
-
- dir = g_new0 (MimeInfoCacheDir, 1);
- dir->path = g_strdup (path);
-
- return dir;
-}
-
-static void
-mime_info_cache_dir_free (MimeInfoCacheDir *dir)
-{
- if (dir == NULL)
- return;
-
- if (dir->mime_info_cache_map != NULL)
- {
- destroy_info_cache_map (dir->mime_info_cache_map);
- dir->mime_info_cache_map = NULL;
-
- }
-
- if (dir->defaults_list_map != NULL)
- {
- g_hash_table_destroy (dir->defaults_list_map);
- dir->defaults_list_map = NULL;
- }
-
- if (dir->mimeapps_list_added_map != NULL)
- {
- g_hash_table_destroy (dir->mimeapps_list_added_map);
- dir->mimeapps_list_added_map = NULL;
- }
-
- if (dir->mimeapps_list_removed_map != NULL)
- {
- g_hash_table_destroy (dir->mimeapps_list_removed_map);
- dir->mimeapps_list_removed_map = NULL;
- }
-
- if (dir->mimeapps_list_defaults_map != NULL)
- {
- g_hash_table_destroy (dir->mimeapps_list_defaults_map);
- dir->mimeapps_list_defaults_map = NULL;
- }
-
- g_free (dir);
-}
-
-static void
-mime_info_cache_dir_add_desktop_entries (MimeInfoCacheDir *dir,
- const char *mime_type,
- char **new_desktop_file_ids)
-{
- GList *desktop_file_ids;
- int i;
-
- desktop_file_ids = g_hash_table_lookup (dir->mime_info_cache_map,
- mime_type);
-
- for (i = 0; new_desktop_file_ids[i] != NULL; i++)
- {
- if (!g_list_find_custom (desktop_file_ids, new_desktop_file_ids[i], (GCompareFunc) strcmp))
- desktop_file_ids = g_list_append (desktop_file_ids,
- g_strdup (new_desktop_file_ids[i]));
- }
-
- g_hash_table_insert (dir->mime_info_cache_map, g_strdup (mime_type), desktop_file_ids);
-}
-
-static void
-mime_info_cache_init_dir_lists (void)
-{
- int i;
-
- mime_info_cache = mime_info_cache_new ();
-
- desktop_file_dirs_refresh ();
-
- for (i = 0; i < n_desktop_file_dirs; i++)
- {
- MimeInfoCacheDir *dir;
-
- dir = mime_info_cache_dir_new (desktop_file_dirs[i].path);
-
- if (dir != NULL)
- {
- mime_info_cache_dir_init (dir);
- mime_info_cache_dir_init_defaults_list (dir);
- mime_info_cache_dir_init_mimeapps_list (dir);
-
- mime_info_cache->dirs = g_list_append (mime_info_cache->dirs, dir);
- }
- }
-}
-
-static void
-mime_info_cache_update_dir_lists (void)
-{
- GList *tmp;
-
- tmp = mime_info_cache->dirs;
-
- while (tmp != NULL)
- {
- MimeInfoCacheDir *dir = (MimeInfoCacheDir *) tmp->data;
-
- /* No need to do this if we had file monitors... */
- mime_info_cache_dir_init (dir);
- mime_info_cache_dir_init_defaults_list (dir);
- mime_info_cache_dir_init_mimeapps_list (dir);
-
- tmp = tmp->next;
- }
-}
-
-static void
-mime_info_cache_init (void)
-{
- G_LOCK (mime_info_cache);
- if (mime_info_cache == NULL)
- mime_info_cache_init_dir_lists ();
- else
- {
- time_t now;
-
- time (&now);
- if (now >= mime_info_cache->last_stat_time + 10)
- {
- mime_info_cache_update_dir_lists ();
- mime_info_cache->last_stat_time = now;
- }
- }
-
- G_UNLOCK (mime_info_cache);
-}
-
-static MimeInfoCache *
-mime_info_cache_new (void)
-{
- MimeInfoCache *cache;
-
- cache = g_new0 (MimeInfoCache, 1);
-
- return cache;
-}
-
-static void
-mime_info_cache_free (MimeInfoCache *cache)
-{
- if (cache == NULL)
- return;
-
- g_list_free_full (cache->dirs, (GDestroyNotify) mime_info_cache_dir_free);
- g_free (cache);
-}
-
-/**
- * mime_info_cache_reload:
- * @dir: directory path which needs reloading.
- *
- * Reload the mime information for the @dir.
- */
-static void
-mime_info_cache_reload (const char *dir)
-{
- /* FIXME: just reload the dir that needs reloading,
- * don't blow the whole cache
- */
- if (mime_info_cache != NULL)
- {
- G_LOCK (mime_info_cache);
- mime_info_cache_free (mime_info_cache);
- mime_info_cache = NULL;
- G_UNLOCK (mime_info_cache);
- }
-}
-
-static GList *
-append_desktop_entry (GList *list,
- const char *desktop_entry,
- GList *removed_entries)
-{
- /* Add if not already in list, and valid */
- if (!g_list_find_custom (list, desktop_entry, (GCompareFunc) strcmp) &&
- !g_list_find_custom (removed_entries, desktop_entry, (GCompareFunc) strcmp))
- list = g_list_prepend (list, g_strdup (desktop_entry));
-
- return list;
-}
+/* GDesktopAppInfoLookup interface {{{2 */
/**
- * get_all_desktop_entries_for_mime_type:
- * @mime_type: a mime type.
- * @except: NULL or a strv list
- *
- * Returns all the desktop ids for @mime_type. The desktop files
- * are listed in an order so that default applications are listed before
- * non-default ones, and handlers for inherited mimetypes are listed
- * after the base ones.
+ * GDesktopAppInfoLookup:
*
- * Optionally doesn't list the desktop ids given in the @except
+ * #GDesktopAppInfoLookup is an opaque data structure and can only be accessed
+ * using the following functions.
*
- * Returns: a #GList containing the desktop ids which claim
- * to handle @mime_type.
- */
-static GList *
-get_all_desktop_entries_for_mime_type (const char *base_mime_type,
- const char **except,
- gboolean include_fallback,
- char **explicit_default)
-{
- GList *desktop_entries, *removed_entries, *list, *dir_list, *tmp;
- MimeInfoCacheDir *dir;
- char *mime_type, *default_entry = NULL;
- char *old_default_entry = NULL;
- const char *entry;
- char **mime_types;
- char **default_entries;
- char **removed_associations;
- gboolean already_found_handler;
- int i, j, k;
- GPtrArray *array;
- char **anc;
-
- mime_info_cache_init ();
-
- if (include_fallback)
- {
- /* collect all ancestors */
- mime_types = _g_unix_content_type_get_parents (base_mime_type);
- array = g_ptr_array_new ();
- for (i = 0; mime_types[i]; i++)
- g_ptr_array_add (array, mime_types[i]);
- g_free (mime_types);
- for (i = 0; i < array->len; i++)
- {
- anc = _g_unix_content_type_get_parents (g_ptr_array_index (array, i));
- for (j = 0; anc[j]; j++)
- {
- for (k = 0; k < array->len; k++)
- {
- if (strcmp (anc[j], g_ptr_array_index (array, k)) == 0)
- break;
- }
- if (k == array->len) /* not found */
- g_ptr_array_add (array, g_strdup (anc[j]));
- }
- g_strfreev (anc);
- }
- g_ptr_array_add (array, NULL);
- mime_types = (char **)g_ptr_array_free (array, FALSE);
- }
- else
- {
- mime_types = g_malloc0 (2 * sizeof (gchar *));
- mime_types[0] = g_strdup (base_mime_type);
- mime_types[1] = NULL;
- }
-
- G_LOCK (mime_info_cache);
-
- removed_entries = NULL;
- desktop_entries = NULL;
-
- for (i = 0; except != NULL && except[i] != NULL; i++)
- removed_entries = g_list_prepend (removed_entries, g_strdup (except[i]));
-
- for (i = 0; mime_types[i] != NULL; i++)
- {
- mime_type = mime_types[i];
-
- /* This is true if we already found a handler for a more specific
- mimetype. If its set we ignore any defaults for the less specific
- mimetypes. */
- already_found_handler = (desktop_entries != NULL);
-
- /* Go through all apps listed in user and system dirs */
- for (dir_list = mime_info_cache->dirs;
- dir_list != NULL;
- dir_list = dir_list->next)
- {
- dir = dir_list->data;
-
- /* Pick the explicit default application if we got no result earlier
- * (ie, for more specific mime types)
- */
- if (!already_found_handler)
- {
- entry = g_hash_table_lookup (dir->mimeapps_list_defaults_map, mime_type);
-
- if (entry != NULL)
- {
- /* Save the default entry if it's the first one we encounter */
- if (default_entry == NULL)
- default_entry = g_strdup (entry);
- }
- }
-
- /* Then added associations from mimeapps.list */
- default_entries = g_hash_table_lookup (dir->mimeapps_list_added_map, mime_type);
- for (j = 0; default_entries != NULL && default_entries[j] != NULL; j++)
- desktop_entries = append_desktop_entry (desktop_entries, default_entries[j], removed_entries);
-
- /* Then removed associations from mimeapps.list */
- removed_associations = g_hash_table_lookup (dir->mimeapps_list_removed_map, mime_type);
- for (j = 0; removed_associations != NULL && removed_associations[j] != NULL; j++)
- removed_entries = append_desktop_entry (removed_entries, removed_associations[j], NULL);
-
- /* Then system defaults (or old per-user config) (using removed associations from this dir or earlier) */
- default_entries = g_hash_table_lookup (dir->defaults_list_map, mime_type);
- for (j = 0; default_entries != NULL && default_entries[j] != NULL; j++)
- {
- if (default_entry == NULL && old_default_entry == NULL && !already_found_handler)
- old_default_entry = g_strdup (default_entries[j]);
-
- desktop_entries = append_desktop_entry (desktop_entries, default_entries[j], removed_entries);
- }
- }
-
- /* Go through all entries that support the mimetype */
- for (dir_list = mime_info_cache->dirs;
- dir_list != NULL;
- dir_list = dir_list->next)
- {
- dir = dir_list->data;
-
- list = g_hash_table_lookup (dir->mime_info_cache_map, mime_type);
- for (tmp = list; tmp != NULL; tmp = tmp->next)
- desktop_entries = append_desktop_entry (desktop_entries, tmp->data, removed_entries);
- }
- }
-
- G_UNLOCK (mime_info_cache);
-
- g_strfreev (mime_types);
-
- /* If we have no default from mimeapps.list, take it from
- * defaults.list intead.
- *
- * If we do have a default from mimeapps.list, free any one that came
- * from defaults.list.
- */
- if (default_entry == NULL)
- default_entry = old_default_entry;
- else
- g_free (old_default_entry);
-
- if (explicit_default != NULL)
- *explicit_default = default_entry;
- else
- g_free (default_entry);
-
- g_list_free_full (removed_entries, g_free);
-
- desktop_entries = g_list_reverse (desktop_entries);
-
- return desktop_entries;
-}
-
-/* GDesktopAppInfoLookup interface {{{2 */
+ * Deprecated: 2.28: The #GDesktopAppInfoLookup interface is deprecated and
+ * unused by GIO.
+ **/
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
* @uri_scheme: a string containing a URI scheme.
*
* Gets the default application for launching applications
- * using this URI scheme for a particular GDesktopAppInfoLookup
+ * using this URI scheme for a particular #GDesktopAppInfoLookup
* implementation.
*
- * The GDesktopAppInfoLookup interface and this function is used
+ * The #GDesktopAppInfoLookup interface and this function is used
* to implement g_app_info_get_default_for_uri_scheme() backends
* in a GIO module. There is no reason for applications to use it
* directly. Applications should use g_app_info_get_default_for_uri_scheme().
*
- * Returns: (transfer full): #GAppInfo for given @uri_scheme or %NULL on error.
+ * Returns: (transfer full) (nullable): #GAppInfo for given @uri_scheme or
+ * %NULL on error.
*
- * Deprecated: The #GDesktopAppInfoLookup interface is deprecated and unused by gio.
+ * Deprecated: 2.28: The #GDesktopAppInfoLookup interface is deprecated and
+ * unused by GIO.
*/
GAppInfo *
g_desktop_app_info_lookup_get_default_for_uri_scheme (GDesktopAppInfoLookup *lookup,
* WM_CLASS property of the main window of the application, if launched
* through @info.
*
- * Returns: (transfer none): the startup WM class, or %NULL if none is set
+ * Returns: (nullable) (transfer none): the startup WM class, or %NULL if none is set
* in the desktop file.
*
* Since: 2.34
*
* The @key is looked up in the "Desktop Entry" group.
*
- * Returns: a newly allocated string, or %NULL if the key
+ * Returns: (nullable): a newly allocated string, or %NULL if the key
* is not found
*
* Since: 2.36
}
/**
+ * g_desktop_app_info_get_locale_string:
+ * @info: a #GDesktopAppInfo
+ * @key: the key to look up
+ *
+ * Looks up a localized string value in the keyfile backing @info
+ * translated to the current locale.
+ *
+ * The @key is looked up in the "Desktop Entry" group.
+ *
+ * Returns: (nullable): a newly allocated string, or %NULL if the key
+ * is not found
+ *
+ * Since: 2.56
+ */
+char *
+g_desktop_app_info_get_locale_string (GDesktopAppInfo *info,
+ const char *key)
+{
+ g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL);
+ g_return_val_if_fail (key != NULL && *key != '\0', NULL);
+
+ return g_key_file_get_locale_string (info->keyfile,
+ G_KEY_FILE_DESKTOP_GROUP,
+ key, NULL, NULL);
+}
+
+/**
* g_desktop_app_info_get_boolean:
* @info: a #GDesktopAppInfo
* @key: the key to look up
}
/**
+ * g_desktop_app_info_get_string_list:
+ * @info: a #GDesktopAppInfo
+ * @key: the key to look up
+ * @length: (out) (optional): return location for the number of returned strings, or %NULL
+ *
+ * Looks up a string list value in the keyfile backing @info.
+ *
+ * The @key is looked up in the "Desktop Entry" group.
+ *
+ * Returns: (array zero-terminated=1 length=length) (element-type utf8) (transfer full):
+ * a %NULL-terminated string array or %NULL if the specified
+ * key cannot be found. The array should be freed with g_strfreev().
+ *
+ * Since: 2.60
+ */
+gchar **
+g_desktop_app_info_get_string_list (GDesktopAppInfo *info,
+ const char *key,
+ gsize *length)
+{
+ g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL);
+
+ return g_key_file_get_string_list (info->keyfile,
+ G_KEY_FILE_DESKTOP_GROUP, key, length, NULL);
+}
+
+/**
* g_desktop_app_info_has_key:
* @info: a #GDesktopAppInfo
* @key: the key to look up
* @info: a #GDesktopAppInfo
* @action_name: the name of the action as from
* g_desktop_app_info_list_actions()
- * @launch_context: (allow-none): a #GAppLaunchContext
+ * @launch_context: (nullable): a #GAppLaunchContext
*
* Activates the named application action.
*
if (exec_line)
g_desktop_app_info_launch_uris_with_spawn (info, session_bus, exec_line, NULL, launch_context,
- _SPAWN_FLAGS_DEFAULT, NULL, NULL, NULL, NULL, NULL);
+ _SPAWN_FLAGS_DEFAULT, NULL, NULL, NULL, NULL,
+ -1, -1, -1, NULL);
+
+ g_free (exec_line);
}
if (session_bus != NULL)